Best Restcloud Science in 2026

SPHERICAL || Each lens is spherical in shape and measures 2" (50mm) in diameter

FOCAL LENGTH VARIETY || Converging and diverging focal lengths in 200mm, 300mm and 500mm

OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges

Set of 6 Density Cubes. Set includes Brass, Lead, Iron, Copper, Aluminum and Zinc. Includes a plastic snap top case for convenient storage

Each cube features an element stamp for easy identification. Cubes measure 20mm (0.8") on each side

Excellent for physics classrooms. Density Cubes have a wide range of educational applications for all grade levels, including density investigation, specific heat and specific gravity exploration

Optics Lens includes 6 lenses. All lenses have been ground, polished faces and ground edges

All lenses are 50mm

One of each: double convex, plano-convex, converging concave-convex, diverging concave-convex, double concave, plano-concave

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 1.5" (38mm) in diameter

50MM FOCAL LENGTH || Converging lens with a 50mm focal length

BUILD & LEARN || Learn physics through play! This kit builds in a snap – no tools required! Once built, students can launch ping pong balls up to 30 ft and explore 48 different catapult configurations. Launch angle, fulcrum position, pulling direction and pulling force – all can be simply varied in a repeatable way. Launch your way into a tactile exploration of fundamental concepts of physics! Kit designed for exploration under the supervision and guidance of a scientifically-minded adult

STEM LEARNING || Introduces and demonstrates real world STEM concepts. Allows learners of all ages to explore and visualize physics concepts, including force, acceleration, center of mass, vector components, Hooke’s law, parabolic trajectories, and class 2 levers

WHAT'S IN THE BOX? || Kit includes catapult sides, side supports, top brace, catapult firing arm, hardware (2 rubber bands, 3 dowels, 1 c-shaped screw hook, and 1 ping pong ball), cardboard storage box and instructions for assembly and experimental activities

EXPLORE THE ROCK CYCLE || The rock cycle explains how different types of rocks relate to one another. This kit includes twelve different rocks which represent the types of rocks that are formed during the rock cycle. Packaged in a box with substantial protective padding for each individual rock to preserve specimens

12 ROCKS || The kit includes 4 metamorphic rocks - Green Slate, Coarse White Marble, Red Slate and Mica Schist, 4 igneous rocks - Bituminous Coal, Red Sandstone, Gray Limestone, Labradorite and 4 sedimentary rocks - Andesite, Basalt, Pink Granite and Porphyritic Granite. While each specimen will vary slightly in shape, size and color, it will measure approximately 1" in length

GREAT FOR SCIENCE ENTHUSIASTS AND BUDDING GEOLOGISTS || The included identification guide describes each rock, how they are formed, how they can be identifed and the different ways humans use them. The other side of the sheet includes an activity that allows learners to place the different rocks on a rock cycle map where they would have formed

4 piece specific gravity metal block set. Set includes Brass, Aluminum, Steel & Copper. Each block measures 2" (50mm) in length with 0.5" (12.5mm) sides

Excellent for physics classrooms. Metal Blocks have a wide range of educational applications for all grade levels, including density investigation, specific heat and specific gravity exploration

Set includes a complete instruction manual that gives a background on density, specific gravity & specific heat and includes inquiry based student activities with capture sheets

CLASSROOM PACK || Classroom pack includes six sets of Eisco Labs 3 piece equilateral prisms sets (18 prisms total). Each set includes 25, 50 and 100mm length prisms with 25mm faces

MADE OF ACRYLIC || Each prism is made of highly polished acrylic

GREAT FOR PHYSICS EXPERIMENTS || Useful for experiments in optics, light refraction & wavelengths

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 1.5" (38mm) in diameter

200MM FOCAL LENGTH || Converging lens with a 200mm focal length

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 2" (50mm) in diameter

150MM FOCAL LENGTH || Converging lens with a 150mm focal length

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 1.5" (38mm) in diameter

100MM FOCAL LENGTH || Converging lens with a 100mm focal length

IDEAL FOR MANY LIGHT & OPTICS STUDIES || Light box & 27 optical components for demonstrating basic geometrical optics & the study of light to physics students

LIGHT BOX || Includes a high quality light box with two side openings - each with two slots - and a front opening with seven slots for plates, filters, and lenses

INCLUDED || Components include: (1) light box, (1) lamp holder, (1) 12V, 24W bulb, (2) 4mm banana plug leads, (2) slit plates, (2) blanking plates, (6) acrylic prisms & lenses, (1) mirror, (7) color filters, (8) color cards, (1) acrylic hollow D-cell

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 2" (50mm) in diameter

50MM FOCAL LENGTH || Converging lens with a 50mm focal length

DOUBLE CONVEX || Highly polished, double convex lens

SPHERICAL || Lens measures 3" (75mm) in diameter

500MM FOCAL LENGTH || Converging lens with a 500mm focal length

THE MOST COMPLETE KIT FOR LIGHT & OPTICS STUDIES || Versatile light/ray box with hinged mirrors & 29 optical components make it the most comprehensive kit available for demonstrating geometrical optics & the study of light - including color mixing - to physics students

VERSATILE LIGHT/RAY BOX || Includes a high quality ray/light box with a bright halogen lamp providing divergent and parallel beams & hinged mirrors for color mixing experments

COMPREHENSIVE MANUAL || Includes comprehensive instruction guide with 18 activities

MOTOR DRIVEN VAN DE GRAAFF || Perfect for demonstrating energy transformation from mechanical to electrical. This motor driven Van De Graaff is excellent for physics classrooms and exciting for learners of all ages

UP TO 220,000 VOLTS || Apparatus can generate an electrostatic charge of up to 220,000 volts in the right conditions. Motor is attached to the assembled base. Includes power cord

7.9" METAL SPHERE || Apparatus measures 22" in height and features a metal sphere measuring 7.9" (20cm) in diameter

42" Optical bench is constructed with a square section aluminium tube

Rail has 1cm graduations up to 100cm.

Comes with LED 12V Light source

Used for population counts and other measurements in the field

Consists of a 4 white coated steel rods 0.5 meters long with markers at 0.25 meters

Steel rods simply bolt together to form a quadrat frame

COMPLETE KIT || Complete photogate system with photogate and interrupter plates designed for use in a physics classroom when conducting a variety of different experiments

ACCURATE TIMING || Photogates allow for extremely accurate timing of events in various physics experiments including when studying freefall, air track collisions, the speed of a rolling object and pendulum periods

INFRARED || Uses infrared light to calculate the period of an oscillatory system, the number of times a photogate was blocked or the time an object takes to pass through one of both photogates - This can then be used to calculate the velocities and accelerations of a variety of objects