$57.95 from DiscoverThis.com - Easy-to-read, illustrated, lab-style manuals take you through each electronic experiment step-by-step. Learn basic principles of electricity, electronics, physics and magnetism! Ages 10 and up.

$59.95 from Edmund Scientifics - Retrace the steps of Edison and other inventors as you build a working light bulb using the filament materials of your choice. Learn about electricity, light, properties of matter, energy, and the scientific method.

$75.95 from DiscoverThis.com - Have fun building your own RC Snap Rover using the colorful Snap Circuits parts that come with this kit. There is no soldering required as all the parts snap together with ease. Ages 8 and up.

$24.95 from Edmund Scientifics - The sound activated Jungle Robot can walk on the ground like an ape or traverse a cord using its unique "hand over hand" action. Great for teaching the basic principles of robotic sensing and locomotion.

$24.95 from Edmund Scientifics - A frenzied display of electrical energy that arcs, warps and mesmerizes! The Sculptured Electra is a hand-blown spiral glass sculpture coated inside with blue phosphor.

$79.95 from Edmund Scientifics - Construct your own remote control tank. Building is only half the fun. Everything you need to create infrared remote controlled tanks is included, and once built they're ready for combat.

$49.95 from Edmund Scientifics - Not your average insect the Cybug Solar Fly is a lesson in robotics and a low maintenance pet all in one. This solar powered robot is easy to build and tons of fun to use.

$54.95 from Edmund Scientifics - Cool just got even cooler with the invention of Spider III, the third generation in a quest to offer the most advanced design and technology available. An intelligent robot that knows how to avoid interference.

$19.00 from Edmund Scientifics - Out of the box this hand-blown replica of the Earth in cool blue glass appears tranquil, but plug it in and witness the power of our planet as tendrils of electrical fury pulse through the interior, lashing at the surface!

$9.95 from DiscoverThis.com - The Crystal Radio was the forerunner of the transistor many years ago. By finding the right spot on a crystal, a working radio can be obtained. No batteries or soldering is needed.