This educational kit is loaded with more than 300 projects to build. For example, kids can learn how transistors and capacitors function, and how to make time-delay circuits. In addition, this version includes circuits showing how oscillators and photo sensors work. Projects involve an AM Radio, Burglar Alarm, Radio Announcer and more. Contains over 60 parts. Requires 4 “AA” batteries, not included.

Read More Snap Circuits SC-300

Categories Electronics & Robotics Kits Elenco Learning & Education Science Toys & Games

Deluxe, large 12 lb. capacity hexagon rubber barrel. Quiet, efficient operation. Well-suited for the serious rock hobbyist or for the sportsman as a case polisher for handloaded ammunition. Overload protection, continuous duty, fan-cooled motor.

Read More Model A-R12 In Mailer Rock Tumbler

Categories Learning & Education Rock Tumblers Science Toys & Games Tru-square Metal Products

Meade’s 900-power microscope with 28-piece kit is a fascinating, educational and useful toy laboratory microscope for children. Includes everything needed to get started exploring the realm of the microscopic world. Kit includes a functioning, durable, quality metal body microscope with 100X, 400X and 900X magnifications.

Read More Meade 28-pc. Microscope Kit- White

Categories Learning & Education Mead Products Microscopes Science Toys & Games

Categories Learning & Education Rock Tumblers Science Toys & Games Tru-square Metal Products

This is the real thing! Heavy duty rock tumbler does much more than
ordinary rock polishers- it actually changes rough stones into beautiful
high-luster semi-precious gemstones. You can even make jewelry and key 
chains with the settings included in this set. U.L. Listed. Set includes
tumbling machine with heavy duty motor, rough semi-precious stones (incl
uding amethyst, jasper, agate and others), grit, polish, jewelry settings,
glue and instruction manual. Ages 10 and up.

Read More Rock Tumbler

Categories Learning & Education NSI Rock Tumblers Science Toys & Games

Categories Learning & Education Mega Brands Rock Tumblers Science Toys & Games

Big tumbler, keep on rolling! Shiny rocks keep on tumbling – with this refill kit for the Rolling Stones Rock Tumbler from NSI, sold separately. Set includes additional semi-precious stones, grit, polish and jewelry settings.

Read More Rock Tumbler Refill Kit

Categories Learning & Education Ltd Natural Science Industries Rock Tumblers Science Toys & Games

Keep your rock polisher rolling with a refill kit of unpolished stones. Includes: 2 bags of Step 1 Course grind powder. 2 bags of Step 2 Fine grind powder. 2 bags of Step 3 Polishing powder. 2 bags of Step 4 Final polish powder. 2- 8 oz. packages of gemstone rocks. Jewelry settings: 3 key chains, 1 necklace, 4 rings and 3 pairs of hanging earrings. 1 bottle of glue. Turn your polished rocks into beautiful jewelry or just enjoy them as a prized collection. Safety warning: This product contains small parts that may present a choking hazard for young children.

Read More Discovery Exclusive Gyrotek Rock Polisher Refill Kit

Categories Discovery Learning & Education Rock Tumblers Science Toys & Games

3lb. capacity tumbler. One rubber barrel. 115V continuous duty motor – impedance protected. For the beginner. Does a quality job of polishing stones. Lighter motor than other models. Besides tumbler, kit contains polishing rock, 4 grades of polishing abrasives, jewelry findings and booklet A Guide For Rock Polishers.

Read More Model T Kit Rock Tumbler

Categories Learning & Education Rock Tumblers Science Toys & Games Tru-square Metal Products

Categories Learning & Education Rock Tumblers Science Toys & Games Tyco

Make your very own gemstone jewelry with this rock tumbler kit! Set includes a half pound of gemstone rocks, grinding and polishing powders, necklace chain, rings, key chains, earring mounts and glue! Ages: 10 + Manufacturer: Marlon Creations

Read More Rock Tumbler by Marlon Creations

Back to Basics Categories Learning & Education Rock Tumblers Science Toys & Games

Categories Learning & Education Rock Tumblers Science Toys & Games Tyco