This pendulum clamp is perfect for use on support rods to hang weights and pendulums! Each unit has three screw clamps for holding one to three strings 2 inches apart. The clamp will fit into rods up to 1/2" in diameter. Excellent to keep on hand in a laboratory or science class!
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.
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
This science kit is an essential introduction to physics knowledge!
A combination of three of our great discovery toys, all in one package!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
A beautiful desk toy for your favorite person’s office!!