Finally the definitive meaning of PI!
Scratch away the gold foil to reveal neon green pixels.
Disperse light into a rainbow.
Enjoy root beer while learning chemistry of fermentation.
A guide to the Solar System with all its planets and moons distilled into a handy 5 x 7" subway map.
Create beautiful natural art with the power of the sun. Developed by educators at the University of California at Berkley's Lawrence Hall of Science.
Soak in 15 absorbing experiments.
Color changing chameleon putty
Let everyone know where you are in the galaxy. 5 x 7" postcard.
