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.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
A beautiful desk toy for your favorite person’s office!!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Explore the wonders of wind power with this amazing kit!
This classic desk toy will keep you amused!
Build your own 10 inch kaleidoscope with this great kit!