$4.95 from Edmund Scientifics - Hand Boilers are looped and twisted glass sculptures containing a liquid that will "boil" using the heat from your bare hand. Fascinating science toy that demonstrates energy transfer. Comes in blue, green and red.

$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.

$14.99 from Office Playground - Experience the fun that Romp brings to your desktop, as you experiment with the forces of magnetism, gravity, and chaos!

$8.95 from Edmund Scientifics - Dunk Drinking Bird's head to watch it bob back and forth, periodically taking a drink. Drinking Birds body is a glass vial filled with dye-colored red or blue liquid. May be used to indicate relative humidity. Set of 2.

$99.95 from Hammacher Schlemmer - A stable RC UFO that can hover and change direction in mid-air like a real UFO. The four propellers generate enough thrust to send the device from a stationary position up to 24' in the air without requiring a hand-launch.

$19.95 from Edmund Scientifics - Big plasma technology in a new small size. This mini plasma lamp works just like a regular plasma globe with flickering tendrils of energy lashing out that are attracted to your fingertips only smaller and less expensive.

$29.99 from Office Playground - Zero-G Sports Baseball is an amazing anti-gravity sports ball with computer controlled levitation. Or to put it simply, this executive toy is totally awesome.

$118.95 from Spilsbury - What is it - the world's biggest game of Mouse Trap? No, it's a Chaos Tower, a confounding contraption that lets you build perpetual motion models up to 6 feet tall!

$18.95 from DiscoverThis.com - Master the real science behind electricity and have a blast doing it. Toss in a little history, and you've got an activity book so good, it's shocking. Ages 8 and up.

$8.95 from Edmund Scientifics - This revolutionary flying disc features all the capabilities of the original Flip n Flyer, and it also glows in the dark. This amazing flying disc is a fun way to teach the science of gyroscopics. Size: 9" dia.