Most affordable mini-light bulb holders. Great for classroom use!
Easily hook up your mini-light bulbs to your battery or solar cell.
Fits standard E10 mini light bulbs.
This is a pack of 10 mini holders.
Perform awesome experiments using everyday materials found in any kitchen!
Comprehensive collection of 30 fossils.
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Build 14 assorted solar robots, some of which can travel over water!
Experience this sphere powered by the sun!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.