Super safe, super strong...and super silly! Make everyone smile--add some fun to your classroom, office, or fridge. Set of 3 double-sided big button magnets feature 6 faces: laughing, proud, happy, silly, surprised, and uh-oh!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Build 14 assorted solar robots, some of which can travel over water!
Check out this high-quality gyroscope!
Build your own windmill generator kit by recycling a plastic bottle!
The large realistic model has removable organs that can be studied and set back into the correct position.
See the solar system in action!