This kit includes a 40 page full-color book and materials. Years of testing with children has produced this carefully crafted set of doable projects. Build, Build, Build! a spinning motor a clicking telegraph a light flashing generator a real radio Step-by-step, highly visual instructions lead a child successfully through each invention. Incredible illustrations present central scientific concepts, allowing children to discover the "why" as well as the "how". The use of everyday materials demystifies the way common electronic components work. Although Inventions is designed for 8 year olds and up, this title has had an extraordinary history and following. It has been used at MIT to mentor high school students in physics. It has been used at U.C. Berkeley to mentor women in science. It has been used similarly at other institutions including Fermi Lab and the University of Texas at Austin. Country of Origin: U.S.A., China & Hong Kong.

A rainbow of bright colors that expands to create a toy. Teaching tool or an object of art! Expands from 9 to 30 in diameter. FUN

There's nothing like monkeying around to get the creativity flowing! In this jungle-themed set, monkeys fly through the palm trees by their tails, then spin, twist and turn. Colorful set features plastic gears, crank, connectors and base plates for endless building possibilities. Kids develop their own gears jungle or use the easy-to-follow instructions. Includes 136 pieces.

This original Hoberman Sphere has become a favorite toy of kids, parents and teachers everywhere. Its motion amazes as it expands from 9-1/2" to 30" in diameter, changing in volume almost 30 times. Glows in the dark too! Comes with a pulley, hardware and instructions to hang as a cool, kinetic mobile; an educational booklet about the geometry of the Sphere; and a 21 Cool Things to Do activity sheet. Ages 4 and up.

Hidden gears maintain correct hour and minute relationships as you demonstrate time telling concepts. Twelve hour plastic clock is 13 1/4" high with easy to read hour and minute markings, removable stand and teaching guide.

Green Science Potato Clock You may know potatoes as a good source of potassium, but did you know they can be used to power an alarm clock? What no batteries? Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock! You will be amazed! Create many unusual batteries with apple, tomato, soft drinks and more! This kit contains a digital clock and the instructions and everything you need (minus the spuds) to run it. Part of the Green Science Range. Includes: Digital Clock with wires Connecting wire Pots Transparent Tapes Copper and zinc strips Detailed Instructions Recommended Ages: 8 and up

It's the original Hoberman toy and its now a classic and a favorite of kids and adults everywhere. It expands from 9" to 30" in diameter with a magical motion that amazes everyone that sees it. Everyone in the house should have their own, because nobody will want to share. All Spheres comes with a pulley, hardware and instructions to hang as a cool, kinetic mobile; an educational booklet about the geometry of the Sphere; and a 21 Cool Things to Do activity sheet. Ages 4 and up.

Cola not only quenches your thirst, but can power a clock too! Build this Elenco Electronics kit and amaze your family and friends with this cola-powered clock. This kit will teach you about how batteries work when you use cola to make a chemical reaction that powers a clock. Completely safe and doesn't require batteries! Parts are easily identified and assembled with a full color manual.

Watch your child's imagination grow with this set of colorful gears. This 105-piece set includes unique pieces for innovative building, including a remote-controlled infrared motor with a 25' range, a chrome robot head with flashing lights, fiber optics, detachable claws, a large light gear and more. Color-coded instructions for building four motorized models are included, or children can also design their own models. Requires 7 "AA" batteries (not included).

GEOMAG Kids Panel sets include magnetic rods, steel spheres, triangular and square panels in multiple colors. This set contains 190 pieces. GEOMAG, known for its quality and safety, is an inventive system of simple construction made of magnetic rods and steel spheres produced in Switzerland. A huge number of shapes, geometric figures and models of every kind can be constructed. GEOMAG stimulates creativity and logical reasoning. The variety of the shapes and their transformations make it possible to renew structures continuously. A child's imagination is all that is needed to create a unique masterpiece. GEOMAG can also become an amusing pastime for the whole family, reuniting parents and children in an activity of extraordinary creativity. The pleasant shapes made with GEOMAG can also become elegant decorative objects to be displayed at home. GEOMAG is produced in line with the strictes criteria of quality and safety typical of Swiss products and is manufactured in compliance with stringent European and American safety standards. Make the GEOMAG connection! Ages 6 & up 18" x 11.5"