This set of 6 metal puzzles are much harder to solve than they look. Is it a simple twist, or something more complicated? Your brain will definitely get a work-out trying to solve these. This set makes a great stocking stuffer or small birthday present for the puzzle fan in your family.
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.
Build a model green house and 9 other green energy-related devices with this great kit!
Use this laser pointer for any professional presentation!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!
Build a robot that's an artist too!