Best Alextend in 2026

Module: 0.5

Type: Plane Gear, Worm, Crown Gear, Spindle Gear

Bore Diameter: Range from 0.8mm to 3mm

Material: Nylon Plastic

Diameter: 22mm

Thickness: 10mm

Outside Diameter: 29mm

Thickness: 5.8mm

Aperture Diameter: 3.9mm

Diameter: 30mm

Thickness: 10.5mm

Bore Diameter: 1.9mm (fit with 2mm Shaft)

Gears set will help usher your child into the world of engineering games in style as they come up with endless building possibilities.

Made of sturdy plastic, our gears are made to challenge motor skills, creativity, and hands-on construction play so get ready to snap these pieces into place and create something amazing.

Open-ended design allows for hours of fun and a variety of building options.

DURABLE - Pieces easily snap together and are designed to withstand rough play. Your child can explore their wild imagination with this high quality innovative building set. Great school supplies for kids, teacher must haves, classroom counting toys.

CREATIVE - With 100 bold pieces in bright colors, your little engineers could build many 3D creations of their own. Build flowers, animals, cars, worlds and more by clicking pieces in place. Connecting toys kindergarten classroom must haves.

EDUCATIONAL - Link together pieces while improving independent play, hand eye coordination, fine motor skills, spatial skills and dexterity. Great for sensory development, occupational therapy and autistic individuals.

CONNECT GEARS TO BUILD YOUR OWN ROBOT: Build your own robot creations with this 116-piece STEM building set!

ENGINEER NEW ROBOTS: Design new robots, or follow along with the included Activity Guide!

LEARNING WHILE BUILDING: Master engineering, critical thinking, and other STEM skills with every build!

The set includes 140+ parts for a single child or team of 2 children to build 3 unique geared models: a crank fan, a car window and an egg beater.

Students will learn about gear configurations, gear ratios, rotational speed, mechanical advantage and more!

The experiment guide is aligned to National STEM standards and is appropriate for Grade levels 3-5.

🐬【Dry Top Anti-Splash Design Secures Kid's Safety】Snorkeling Set installs an one-way inhalation valve and has a buoyancy ball on the top of it. Once the tube is underwater, the tube entrance will be closed by the buoyancy ball. NOTE: Please clean sands in the tube carefully before next time use.

🐬【180 Degree Panoramic View and Anti-fog】The lens of snorkel mask is made of tempered glass which can protect against collision. The broad view provides kids a better experience while snorkeling, swimming.

🐬【NO Leaking】The skirt of diving mask is designed with soft and flexible silicone to provide a watertight seal for face. It is comfortable, leak-free while safe for kids to enjoy such a great fun with underwater world.

DISCOVER: Invite “little engineers” to explore a world of building possibilities while developing critical thinking and problem solving skills; turning and spinning gears add a layer of action and interactivity to completed creations

DEVELOP: Boost fine motor skills while promoting reasoning as children create moving experiments; learning gets more intricate as children’s abilities advance

116-PIECE SET: Activity set includes 46 Colorful gears (blue, green, orange, red, purple), Special parts including wrecking ball, propeller; square pillars, 21 six-way axles, 6 interlocking bases, 1 crank handle, and activity guide

Supports critical thinking and problem solving skills while honing fine motor skills

Gears! sets help build confidence, perseverance, and self-esteem, arming kids with the real-world, early STEM-supporting skills necessary to prepare them for future success

Parts are all interchangeable, allowing for endless combinations and designs

Monkey around with early engineering and building skills

Gear up for fun with 9 interchangeable plastic gears

Place the gears on monkey's tummy and press the center gear for lights and spinning motion

【 Recommended Age 】 Size S is suitable for children aged 3-8, and the recommended weight is 33-55 lbs (15-25 kg); size M is suitable for children aged 7-13, weight 55-99 lbs ( 25-35 kg). Adjustable Velcro straps ensure free movement during exercise, allowing your child to enjoy the exercise experience freely.

【 Durable & Comfortable 】Consist of anti-scratch high-hardness PVC shell for hard protection, and soft sponge material for impact buffering, yet comfortable in wearing.

【 Protective Gear Set 】 Includes 2 knee pads, 2 elbow pads, 2 wrist pads and 1 collecting handbag. While it prevents the loss of the protective gear suit, it is convenient to carry.

helmet

Pay attention: Please note that this is a diy accessory kit that cannot be a complete model.Please read the instructions or pictures carefully, use the correct circuit diagram to avoid short circuit, short circuit will produce high temperature and cause the battery Holder box to melt

Shaft Propeller Aperture:2mm/0.078”; Diameter:80mm/3.15”; Number of vane:4 vane

3V DC Motor,24000 RPM Rated Speed,Body Diameter:27mm/1.06",Length;38mm/1.46";Mounting Hole Distance(center to center):15mm/0.59",Shaft Size:10x2.0mm/0.39"x0.08"(L*D)

【7 in 1 Protective Gear Set】Package Includes 2 kids toddler knee pads, 2 kids toddler elbow pads, 2 kids toddler wrist guards and 1 unicorn drawstring backpack. Very easy to store and carry the skateboard protective gear anywhere anytime.

【Durable & Comfortable】The kids knee pads set is made of PP shell, which can resists impact. Padded with soft EVA material for impact buffering. Breathable fabric liner and mesh surface design provide a breathable and comfortable wrapping. Kids can enjoy sports freely, and parents can feel ease.

【Cute Unicorn Design】This skateboard pads is designed with cute attractive unique rainbow unicorn pattern, which can catch your kids' eyes easy, It helps to encourage your little one to play sports. And which will attract people's attention no matter where your children go.

FUN BUILDING BLOCKS: Jouqtoys 72 pieces tube building toys use a simple pipe splicing concept that can DIY create various figures or animals or car models. Different shapes and colorful tube parts help your kids learn colors. Durable plastic interlocking toys ideal for building structure, animals, aircraft, cars, shapes, robots, and more children can imagine.

STEM LEARNING KITS: Enhance your child’s Science, Technology, Engineering, and Math skills with the Joqutoys STEM building block toys. Designed to help your child develop hand-eye coordination, master fine motor skills, improve logical thinking, boost vital problem-solving skills. For boys and girls age 3+ years, designed to support your child’s creativity as they grow.

FLEXIBILITY AND COMPABILITY: With this learning toy, your kids can make bicycle, scootie, animals, and whatever strikes their imagination. Compatible with other building blocks and baseplate - Kids can easily mix with their other bricks, big bricks to build garden, houses and castle.

UNLOCK the mysteries of mechanics with our STEM toy as your child explores the fascinating world of gears and worm drives. Watch as they discover how gears can speed up or slow down movement, and learn about worm drives that can change rotational speed.

BUILD 12 WORKING MODELS such as a crane, helicopter, gearbox and more, the possibilities are endless!

EASY TO FOLLOW instructions and the toy comes with 16 pages of theory and facts, accompanied by fun experiments to test newly acquired knowledge. Plus, a 3-page quiz section is included to test the children's understanding.

UNLEASH YOUR CHILD'S INNER ENGINEER with Engino's STEM kit! Let them explore and learn how simple machines work through 16 working models like a seesaw, linkages, and a parking gate.

EASY TO FOLLOW INSTRUCTIONS make it a breeze for your kids to build and learn. The building toy includes 14 pages of theory and fun facts that explain scientific principles, along with exciting experiments to test new knowledge. Plus, there's a 4-page quiz section to keep them engaged!

VOTED AS ONE OF THE BEST STEM TOYS, Engino's toy kit is designed to get your child interested in tech. This innovative product is designed to promote critical thinking, problem-solving, and creativity, helping children develop essential skills that will benefit them throughout their lives.

This versatile, interconnecting gear set fosters imagination and provides opportunities to experiment with simple mechanics and science

LEARN hands-on engineering and building concepts, and put physics into play with spinning gear movement.

With this 80-piece set, kids can recreate designs from the included guide, or use their own critical thinking skills to engineer unique creations.

Technic Gears Assortment 450 Pices Parts,Same As Picture Compatible with major brands

Technic parts Gears Assortment Pack High quality same as top brand

STEAM activity kits ,Diy can assemble freedom to create a new design

۞ SAFE FOR YOUR CHILD AND CONVENIENT FOR YOU: Cleaning up after playtime will become a breeze, since your gear pieces are super-easy to clean and comes with a handy storage bag for your maximum convenience! And the best part? Our toys are tested by an independent third-party and are certified non-toxic, BPA-safe, Lead-safe, Phthalates-safe and skin-safe!

۞ DEVELOP KID BRAIN AND TRAIN CHILDREN' HANDS-ON ABILITY: This Educational Gears Building Set Specially created to help your child develop hand-eye coordination, master fine motor skills, improve logical thinking & boost vital problem solving skills. Besides, kids can perfectly learn math and English letter by playing the funny & educational toys. And the blocks are great addition to your daycare! 40 pieces building blocks 10 colors for hours of play.

۞ MAKE LEARNING FUN: During early brain development, children absorb most of the information they’ll ever process. It can determine their ability to utilize fine motor skills, language and memory later on in life. Our Gear Interlocking Building Set for 3 years old and up are so fun and colorful, kids are much more likely to enjoy and process information. Our educational color sorting toys are created to capture your children’s imagination and engage them on a physical, mental and creative level.

Celebrate 25 years of gears! In 2019 and set imaginations in colorful motion! Kids develop creativity, imagination and fine motor skills by building. Chunky spinning gears snap easily into place and help kids develop fine motor skills. Compatible with all other gears! Gears! Gears! Sets for even more imagination and fun. Get your gears moving!

Discover: invite “little engineers” to get their hands and mental gears in motion for imagination, early learning, and open-ended play with this beginner set

Develop: boost fine motor skills while promoting reasoning as children create moving experiments; learning gets more intricate as children’s abilities advance

❄ Excellent Value: Includes 200 pieces of colorful building blocks, it can be easily to combine into any shape imaged by kids such as flowers, animals, cars, buildings, worlds and more.

❄ Develop Skills: Enhance your child’s Science, Technology, Engineering, and Math skills with the STEM building block toys. At the same time, it can develop children's fine motor development, artistic cognitive, practical ability, imagination and creativity.

❄ Safe Product: With a plastic storage bottle, you can easily put the toy into the box to avoid loss, and it can be reused. HAPISIMI building blocks BPA, lead, heavy metal, and phthalate free and compliance with safety regulations.

330 PIECE Building Blocks: Includes over 330 pcs, 10 colors interconnecting discs and a durable plastic jar for easy storage! Step by Step Instruction and reusable bag are as gift for you. Perfect for Little Architects & Engineers in Training.

DEVELOP YOUR CHILD’S LEARNING SKILLS: Our Building Blocks toy set will undoubtedly help develop children’s fine motor skills, hand-eye coordination and enhance creativity through fun and play.

SAFE APPROACH TO STEM: Toys are BPA, lead, heavy metal, and phthalate free. Discs easily click together for ages 5+.

Celebrate 25 years of Gears! in 2019 and set imaginations in colorful motion! Kids develop creativity, imagination and fine motor skills by building. Chunky spinning gears snap easily into place and help kids develop fine motor skills. Compatible with all other Gears! Gears! Gears! sets for even more imagination and fun. Get your gears moving!

DISCOVER: Invite “little engineers” to get their hands and mental gears in motion for imagination, early learning, and open-ended play with this set

DEVELOP: Boost fine motor skills while promoting reasoning as children create moving experiments; learning gets more intricate as children’s abilities advance

In this jungle-themed set, monkeys fly through the palm trees by their tails, then spin, twist and turn

Teach engineering and spatial concepts and let the creativity flow by building a monkey playland

Early STEM-supporting skills necessary to prepare children for future success

Repair or Replace – Use the Power Gear 3-Way Lamp Socket 2 Pack to fix or create a new lamp or light fixture.

DIY Project – This lamp socket is perfect with a DIY desk or floor lamp to create a one-of-a-kind fixture for your home or office.

Lighting Settings – This lamp socket can toggle through low, medium or high lighting intensity with the turn of the switch.

【Mask Fins Snorkel Set for Kids】3 In 1 snorkel set include dry top anti-seawater corrosion snorkel , adjustable swimming fins and swimming goggles meet all the needs of your swimming, snorkeling, freedom, scuba diving, etc., so that you can explore underwater Travel is more exciting.

【Breathe Easily Dry Top Snorkel】A high-quality snorkel with a dry-top valve that let air in when you surface and will automatically block to prevent water from entering the snorkel when you below the waterline, and the purge valve allows for easy clearing and draining water out of the snorkel, so you can enjoy easy and unobstructed breathing while diving underwater.

【Flexible Adjustable Swim Fins】Upgraded trek fins made of high-quality Polypropylene (PP), and Thermoplastic Rubber (TPR), and you can wear it barefoot or with fin socks for extra protection. Flexible and has an anti-slip sole to prevent cramps and minimize fatigue. Snorkel fins with adjustable open heel design that can be adjustable to fit most people; Just check our size chart to find your suitable size and we also suggest one size up if you have wide feet or if you're in between sizes.

Colorful Shaft Propellers -- 12 Pieces 2 style different colors shaft propellers, 6 pieces 4 Vanes shaft propellers, 6 pieces 3 Vanes shaft propellers can meet your different needs, let you make science and STEM projects much more fun and more choices to fit your experiments

DC Motors -- Body Diameter: 28mm/ 1.06"; Mounting Hole Distance(center to center): 15mm/ 0.59"; Shaft Size: 10 x 2.0mm/ 0.39" x 0.08"(L x D); Motor Body Length: 38mm/ 1.46"

Wide Applications -- This complete motor kit take everything you need for DIY toys, such as mini fan, cars, boat, planes, electric toys etc. The mini wheel, axle and plastic gears can make small STEM toys very simple by matching anything