The Jacob’s Ladder is an ancient toy featuring optical illusion and hands-on fun that never grows old. Made of 2-inch square wood blocks and a colorful ribbon, you can perform tricks, optical illusions and discover fun shapes with this toy. Comes in a collectible box. Excellent as a stocking stuffer or party favor!
This magic bird defies gravity before your very eyes!
Head into the lab for an in-depth investigation of genetics and DNA!
Build over 100 exciting electronic projects with this easy to use kit!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Is it a demonstration of a scientific law or a work of art?