The tips of this micro fiber optic light light up and flare out in a bouncy spray, creating a cool lighting effect. Looks great on any desk. Makes a good stocking stuffer or party favor.
Note: Colors of fiber optic light vary. We cannot guarantee what color will be sent to customers.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Comprehensive collection of 30 fossils.
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!