Place colored stones into a solution and watch them grow into beautiful, colorful crystal formations. Use the enclosed nautical stickers to decorate your container (not included).
Rocks grow to different heights up to 4 inches.
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Command robotic creations with this cool construction kit!
Use this kit to conduct experiments with models to learn about forces and simple machines!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
Build a hand that realistically moves its fingers using shape memory allow technology!