Need to quickly level pictures in a jiffy? This handy pocket level is perfect for the job! Compact in size, it slips easily into your pocket and fits on any set of keys for quick measuring. Great for home or professional use!
Note: Price is per each unit. Picture shows one keychain for demonstration purposes only.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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.
Experience this sphere powered by the sun!
Learn about hydrogen fuel cells with this incredible kit!