Retractable measuring tape comes in transparent plastic case. Tape includes inches (up to 40) on one side, and centimeters on the other. Retracts back into case with a touch of the button. Attached key chain makes it easy to put on a keyring, snap onto a backpack or hang on a small hook.
This black scorpion specimen is great for the classroom setting!
Build 14 assorted solar robots, some of which can travel over water!
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.
This simple but amusing magnetic toy will keep you busy for hours!
Command robotic creations with this cool construction kit!