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!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Experience this sphere powered by the sun!
Build a model green house and 9 other green energy-related devices with this great kit!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Command robotic creations with this cool construction kit!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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