Best Plastic Casting Molds in 2026

COUPLES SIZE! Our Hand Casting Kit is the ideal couple’s gift to capture the moment between you and your loved one. Create a timeless keepsake with this unique gift to treasure for years to come. A fun and special gift for couples, Christmas gift for her, anniversary gift for couples or a couples Christmas gift.

PRESERVE EVERY PRECIOUS DETAIL! The unique rubbery cast captures every fine line and fingerprint. Our non-toxic & safe premium Step 1 alginate molding material is Luna Bean's highest quality custom molding gel formula. Guaranteed to provide more working time, form a stronger cast, capture every detail, and has bolder color changing properties than other craft brand.

FUN & EASY! Taller and wider bucket plus more molding & casting materials than other 2 person kits! Easily casts up to 2 Adult hands, 2 Adults + 1 small child, or 2-4 Young Children. See the Luna Bean XL FAMILY Hand Casting Kit to cast 3+ hands.

Preserve Precious Memories – Whether it's a bridal shower gift, wedding gift or just some fun for your family, this hand molding kit is a great way to capture the moment. The Dylan & Rylie hand molds casting kit is the ideal baby hand and footprint kit or a sweet gift for couples. It also makes a great Mr. and Mrs. gift, anniversary gift for her or Christmas gifts for parents. Unique girlfriend gifts and custom gifts for boyfriend or show you care and this mold making kit makes it easy.

Safe And Fun Things To Do With Your Kids – Safety is our priority that's why this hand sculpture kit is non-toxic and skin safe and includes a protective mask and gloves. Some of the other cool things this kit features are a translucent molding bucket that easily fits two to three hands as well as unique color-changing alginate molding powder so you know when it's set. We've also included a paint set and sculpture base so you can have fun decorating your new piece of art.

The Most Comprehensive Kit – Your kit includes a Plastic Molding Bucket, Premium Alginate Molding Powder (450g), Premium Casting Stone Powder (1200g), De-molding Stick, 3 Sandpapers, Paintbrush and Acrylic Paints, Round Wood Base, Plastic Tablecloth (100x100cm), Practice Kit (50g Premium Alginate Molding Powder + 50g Premium Stone Casting Powder), Instruction Manual, Gloves, Protective Face Mask, Safety Pin, and Plastic Knife.

COMPLETE KIT - Our molding kit comes with powders, gloves, paint, sealant, a knife, detailing tools, sandpaper, a bucket, and instructions. Perfect for Christmas crafts.

CREATE LIFELONG MEMORIES - Whether you're celebrating an anniversary, looking for interactive DIY crafts for kids, or need some quality couples gifts, our casting kit creates a lasting, memorable art piece.

EASY TO USE - Our DIY kits for adults and kids include instructions to guide you through the easy (and fun) molding process. Best with 2 or more people, but perfect for solo crafting as well!

【Transparent Cube Molds with Sharp Corners】: All surfaces inside the mold are smooth and shiny - no more sanding/polishing your finished piece!

【Premium CLEAR SILICONE Material】: These deep square cube molds are made from premium transparent silicone. Crystal clear silicone lets you see exactly what you're doing as you're working. The finished pieces are more shiny glossy than others made by HDPE white molds. Clear silicone molds are also more flexible, durable, not easy to be ripped.

【Wide Range of Application】: These cube epoxy casting molds can be used to make resin jewelry, resin keychain pendant, resin night light, paperweight, resin block, Christmas wedding table home decoration, soap Loaf candle DIY

🔶【Full Size Set 3D Shape Design Chess Resin Mold】Package Include: 16 Pieces 3D Chess Mold(1 x King, 1 x Queen, 2 x Rook, 2 x Bishop, 2 x Knight, 8 x Pawn), 1 x Checker Pieces Resin Mold, 1 x Chess Board Resin Mold, 1 x Storage Bag.

🔶【High-Quality Resin Mold】It's smooth and reusable epoxy molds. You can easily release your made-up articles out after the resin is completely cured. Our resin mold also very easy to clean.

🔶【Keeping creative】You can add different colors or any element to customize your own unique style of chess using these 3d chess resin molds. Most importantly, you only need two times to complete the full set of 32 pieces of chess.

Create your own Resin Cast Pen Sticks

The mold has 4 cavities, so you can make 4 pen blanks at a time with this mold

Heat safe to at least 400F. (Resin casting heat will not affect the mold.)

Material: This pair of Flask Mold is highly durable and robust vessel made of sturdy cast iron.

Cost Effective: These casting mold are extremely price effective thanks to low tooling and equipment cost.

Neat and Easy Alignment: Correct alignment of flask mold frames is feasible with four locating pins which hold the frames firmly.

【Designed by LET'S RESIN】: Inspired by the planter pots, let's resin designed these large resin molds for DIY storage container, the dimensions measure 8inch x 8inch x 3inch, and requires 14.2 oz of epoxy resin to fill the whole resin molds; It’s very practical and able to store various items, keep your place tidy and organized, make it the perfect gift for your family members, friends, and beloved ones on many occasions.

【Multifunctional Storage Container 】: There are so many DIY possibilities for these silicone resin molds, it is not only be used to make succulent planter bowls but also be used as a multifunctional storage box, store eyeshadows, concealers, powders, nail polish, lotions, perfumes, brushes as well as daily office supplies, small life items, giving everything a fixed position will also help you to find them easily, making this a beautiful addition to your desktop.

【Excellent Product Quality】 Our silicone molds for resin are crafted from premium silicone which is flexible & not easily deformed, washable & easy to clean, easy to use & de-mold, reusable & durable. They have glossy interiors which ensure the finished products have a glossy and smooth surface without polishing. Durable epoxy resin molds easily help you make various styles of resin boxes.

【7Pcs Resin Molds Silicone Kit】- Package includes 2pcs large heart resin molds and 5pcs small crystal epoxy silicone molds; the large heart molds size approx. 8.3 x 7.3 x 2.1inch, the small heart silicone molds size approx.6.57 x 5.63 x 2inch. Providing you with diverse sizes and shapes, to meet your various art needs. About 46.4oz of resin is needed for a large heart mold, about 25oz for a small heart mold.

【Silicone Molds for Resin】- These resin silicone molds are made of durable silicone by advanced techniques.With the flexible, smooth and reusable epoxy molds, soft and light, you can use, de-mold and clean them easily. Due to the mold is large and deep, we recommend to pour the resin in layer or divide your casting process into several times helps avoid resin overheat issue. If you want to demold more easier, you can use mold release spray or mild soapy water.

【Preserve Special Bouquet or Record Wonderful Life Moment】- With ISSEVE large resin molds, you can DIY personalized resin art gifts or home decoration. Epoxy resin molds can use for many special occasion flowers preservation, such as wedding bouquet, Valentine's Day flowers, etc. It also can used for recording wonderful life moment, capture the important moment forever. They are the perfect gifts to your parent & friends & lovers.

【Free Replacement】Something went wrong? Whatever the problem, contact us for our 100% money-back guarantee! ! We are a U.S.-based seller and as such, we truly understand the importance of outstanding customer service. Do not hesitate to reach out with even the smallest questions or concerns, we would be delighted to help.

【For Families】Ideal for the entire family, this XL kit includes enough molding & casting material for up to 3 adults, or 2 adults & 4 children (12yr or under) or, up to 6 small children. More molding & casting material than any other on the market! (800g Molding Powder, and 1800g Casting Powder). It’s also a perfect gift for a birthday, valentine's day, anniversary, engagement, mom, dad, grandparents, & friends.

【Every Detail Captured】Quality results: our unique molding formula makes sure to capture each fine line and fingerprint so that the final product is a truly one of a kind creation that perfectly reflects you. 

【Widely Used】Extremely versatile, ideal loaf ingot mold for making gold, silver, copper, aluminum, brass and so on. Great for smelting, casting, pouring, melting and refining various metals.

【Upgrade Design】Designed with humanized handle, allows you better control and operate during casting iron while avoiding the scalding caused by melting casting. In additional, specially designed with slight wall tapered sides for easy and better metal ingot removal.

【Unique Mold】This mold is great, can hold up to 100 troy ounces of gold. This steel mold is not smooth inside the cavity like graphite molds, but you turn the mold over and the bar will drop out, will not stick in mold.

Specification: Includes 2 pieces of ingot moulds in the same sizes. Each piece for 1000g Gold / 535g Silver; Inner 90 x 40 x 20 mm (2.43 fl oz).

Selected Material: Graphite ingot molds are made from high density fine grain graphite, 99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.

Well-made: The smooth cavity finish of the graphite ingot mold makes the ingot very easy to remove without sticking to the mold itself.

BEST COUPLE KIT; Godora hand casting kit couples is a perfect gift for wedding anniversary & casting kits for couples, Preferred By More Couples! No previous hand casting experience needed! Kit contains Easy to follow Instructions and detailed Video Tutorials. Our 30-day Price Guarantee, One-on-one Guidance, Express Refill Service and 100% Satisfaction Guarantee will bring you a great shopping experience with our proudct.

♥PRESERVE EVERY PRECIOUS DETAIL♥ Our kit molding powder and casting stone are Godora highest quality custom ✔ Extremely precise fingerprints ✔Provide perfect detail ✔ Capture milestone moments. You can create amazing keepsake hands in any combination.

★JUST WHAT YOU NEED★ Looking for a unique gift to mark special life events? A memorable gift activity for an anniversary, birthday and valentine's day! This hand molding kit is a great option! A heartfelt gift for mom, anniversary gift for couples, anniversary gift for her, anniversary gifts. What are you waiting for?

Size: Skull Mold, 60 x 40 x 10 mm, the inner depth is about 5mm, allow you make a skull-shape crafts.

Material: Made of graphite material, nice acid and alkali resistance, nice corrosion resistance, impact resistance, durable to use.

Advantage: Great thermal conductivity, 89 MPA compression resistance, and 48.7 MPA flex resistance, can hold 2000 degrees Celsius.

Quality Graphite Material: made of quality graphite material, the ingot molds won't affect the metal purity during the metal refining process; Fast cold and hot conditions, with good thermal stability, producing exquisite refining effect for you

Detailed Size Information: the outside dimension of heart graphite casting mold is about 50 x 50 x 20 mm/ 1.97 x 1.97 x 0.79 inch, the inner is about 10 mm high; The cross graphite casting mold is about 88 x 47 x 8 mm/ 3.45 x 1.85 x 0.31 inch, the inner is 63 x 38 x 4 mm/ 2.48 x 1.5 x 0.16 inch; The star graphite casting mold is 50 mm/ 1.97 inches in length and width, 11.45 mm/ 0.45 inch on each side, proper in size for you to cast metal and make your own jewelry

Good Performance: the graphite molds for casting metal has nice thermal stability, which can withstand 2000 degrees Celsius, shorten the melting time and save energy, has good impact resistance and corrosion resistance to acid and alkali, good in performance to ensure the reliability of product quality

"What you get: this package includes 1 piece of 5-in-1 graphite casting ingot mold, 1 piece of 1 kg graphite ingot crucible mould, and 2 pieces of graphite stir rod sticks, totally 4 pieces in 1 package, convenient combination set to meet your DIY needs for melting casting refining metal jewelry gold silver"

"Size information: the 5-in-1 metal refining scrap mold measures about 72 x 57 x 12 mm, and the 1 kg crucible mould is 100 x 50 x 25 mm in outer diameter, and 90 x 40 x 20 mm in inner diameter; Each crucible stir rod is about 12 inches/ 30 cm long, and 5/16 inch/ 0.8 cm in diameter, please check these sizes carefully before purchasing"

"Wide range of applications: these graphite ingot molds are suitable for experiments and smelting of non-ferrous metals, including gold, silver, copper, aluminum, and so on, which are designed for lab, test analysis and other purposes; Considering the product size, it is more suitable for small-capacity metal melting projects"

It is a graphite ingot mold for refining scrap melting furnace.

Fits for the casting of most metal, such as gold ,silver and copper.

High purity.

Package content: this 7 pieces graphite torch melting casting kit includes 2 pieces graphite stir rod sticks, 1 piece graphite casting mould, 1 piece 5-in-1 graphite ingot mould, 1 piece quartz crucible, 1 piece cylindrical graphite and 1 piece tong, will be a convenient combination to meet your DIY needs for melting, casting or refining metal, jewelry, gold, silver and other materials

Nice features: these graphite casting moulds possess many nice features, are characterized by nice thermal stability, as well as fast cooling, their nice thermal conductivity properties can shorten the casting time and save energy

Dimension: crucible mould measures approx. 100 x 50 x 25 mm in outer diameter, 90 x 40 x 20 mm in inner diameter, each crucible stir rod is about 12 inches/ 30 cm long, 5-in-1 graphite casting ingot mould about 72 x 57 x 12 mm in outer diameter, quartz crucible approx. 7 cm in diameter, 2.5 cm in height, tong about 10 inch in length, cylindrical graphite measures approx. 4 cm in diameter, 4 cm in height

【Free Replacement】Something went wrong? Whatever the problem, contact us for our 100% money-back guarantee! ! We are a U.S.-based seller and as such, we truly understand the importance of outstanding customer service. Do not hesitate to reach out with even the smallest questions or concerns, we would be delighted to help.

【Makes 3 Casts】To ensure a perfect result every time, we’ve included enough material for three complete casts. We understand babies love squirming and so we decided it’s best for you to have 3 tries. If you’re still not successful, feel free to reach out and get a free replacement.

【For Babies 0-10mths】Ideal for infants up to 10 months of age, this kit includes enough molding & casting material for a practice cast. More molding & casting material than any other on the market! Our high quality alginate molding powder is commonly used in dental molds and is non-toxic and 100% safe for babies’ sensitive skin.

Cast iron mold for use with sand casting clay. Allows you to easily duplicate shapes, metals, coins, jewelry pieces, and more!

Measures: outer 4 7/8" x 3 1/2" x 2 1/4" not including neck and inner size 4-3/8" x 3 7/8" x 2 1/4".

Neat and Easy Alignment: Correct alignment of flask mold frames is feasible with four locating pins which hold the frames firmly.

Selected stable materials:Graphite molds are made of high-density fine-grained graphite,99.95% Graphite.

Wide application: Graphite molds take liquid metals of precious metals, such as gold, silver, metal, aluminum, copper, brass, zinc, etc

Well-made:The smooth inner wall of the graphite mold ensures the loss of metal as much as possible, making the cast metal easier to demould.

【Package Includes】The package contains 1 large silicone resin molds and 1 small molds, in different sizes and shapes that can meet your different DIY handicraft-making needs.

【Size】The heart size is about 7.1 x 1.8 inches and the sphere diameter is 1.2 inch.

【Reference Dosage】About 42oz of resin is needed for a heart-shaped mold,

【COMPLETED TERRAZZO RESIN KIT】Teexpert Plaster Resin Starter Kit Contains Everything You Need To Create A Set Of Colorful Coasters or Trays. Include：1kg casting powder + 3 silicone tray molds + 5 pigments + mixing cups + wooden stirring stick + brushes + sandpapers + spoon + gloves.

【Excellent Quality & Multi-use】Different from other brand, our powder is fine and pure white, good plasticity. Mixes like cream silky and cures like porcelain smooth. Its velvet finish and seals makes for a luxurious feeling final product! Use our kit to create one-of-a-kind coasters, vase, candle holders, napkin rings, jewelry, soap dishes, picture frames, dinner plate chargers and more.

【Fast Cure】20-30mins cure and 2h demould! which can help you to save time and create more artwork efficiently. Compare to epoxy resin, fast curing, easy to use and the finished sophisticated luxury make the resin concrete kit become a more efficient, easy, advanced choich for DIY handcraft. Note: It does set up really fast（Working time is 5-8 mins）, please prepared everything well before mixing powder with water.

Application – It allows you to simply duplicate shape, metals, coins, rings jewelry items, and other complex shapes with ease.

Superior Quality – This pair of highly durable and robust vessel Flask mold is made of sturdy cast iron. Fine processing, the surface is treated with black oxidation to prevent rust and increase the surface gloss to make it more beautiful and reduce the deformation caused by some internal or external forces, which is better than normal Flask Mold.

Ample Scope – Compatible with metals like Gold, Silver, Copper, Brass etc. Cast iron mold is use with Petro bond, Delft and Sand Casting Clay.

Metal Ingot Mould Perfect for making ingot from scrap gold and silver.

It is reversible, so it can be used on making bar and sheet. Make your own size bars etc, highly useful for rolling sheet/wire on a rolling mill.

Four kinds of bar's diameter can be made - 8mm, 6mm, 5mm, 4mm. And depth of the mould is 61mm, so the height of bar is about 60mm.

【Fit on】 Fits Approximately 100 oz of metal,ideal for casting gold, silver, copper, aluminum, and more.Suitable for laboratory, school science education.

【Function】Melting casting refining gold silver copper aluminum brass precious metals.

【Material】Made of high-quality steel,it has well thermal stability, corrosion resistance and impact resistance, strong acid and alkali resistance, good thermal conductivity.

【Personalized DIY Resin Mold】Use the mushroom jar mold to give play to your creativity and imagination, add mica powder, sequins, dry flowers or resin pigment, get a unique and gorgeous mushroom jar.

【Easy to Demold】 The mushroom box molds are a thick silicon, surface is smooth, easy to remove, the finished pieces are almost perfect right out of the mold with no tearing, and the lids fit.

【High-quality Material】The mushroom resin molds are made of silicone, with good flexibility, sturdy and durable, not easily deformed, reusable, easy to use.

Graphite casting mold

【31PCS-in-1 Package】: You will receive 5 silicone resin molds, 10 metal bottle stoppers, 5 disposable droppers, 10 sticks, 1 measuring cup. A complete set of tools to meet your DIY needs and make it easier for you to make personalized wine corks.

【High-quality Material】: Resin casting molds are made of high quality durable silicone, flexible, reusable, tear resistance, not easy to deformation; smooth surface ensures the mold is easy to use and easy to clean.

【Easy demoulding】: Clean the inside of the epoxy mold before use, after the resin is fully cured, you can easily take out your work by twisting the mold. Wash with soapy water and dry for next use, please avoid direct sunlight.

REVERSIBLE: The Ingot Mold is reversible, so it can be used for making round / half round bar / wires and flat sheet. Molds in 2 convertible and detachable parts for easy extraction and cleaning

VARIOUS SHAPES: As for making bars, this Jeweler metal ingot mold allow you to make bars/wires with 8mm, 6mm, 5mm, 4mm in diam. and 60mm in height.Also it can be used to make flat plates in 2mm

CONVENIENT AND PRACTICAL: Includes a "C" clamp, and quite comfortable to hold the ingot mold with wooden handle