This constant motion vehicle moves with a uniform speed in a straight line and can accommodate other equipment on top. The machine has a hook attached to its rear end and can pull dynamics carts to demonstrate the concept of vectors and velocity.
Size of the top platform: 7 x 4 inches (18 x 10 cm)
On/off switch is included.
Requires two AA batteries (not included)
Working model representing the sun, earth, and moon and their relationships.
With this cool electronic kit you get to assemble your own mini electric guitar!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Learn about the objects in the night sky with this great set of cards!
With 23 hands-on experiments, you can investigate specific weather phenomena as well as the climate system in general.
Every kid needs one of these spheres!