The Constant Velocity Car flips over, spins around and lights up, over and over and over again. It also comes in great bright colors with stickers, just like a dune buggy would! Fun gift for the holidays for a girl or boy who loves to watch things move, this also makes a great classroom prize for the next geography bowl. Don't worry if it runs into an object while zooming across the floor--it will flip over and start moving again!
This classic desk toy will keep you amused!
Easily assemble a working alarm motion detector!
See the constellations visible in the Northern Hemisphere on this watch!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Every kid needs one of these spheres!