Get deep, rich tones and quality sound with this excellent subwoofer speaker. It makes a great addition to your home theater system, or use it for science experiments with non-Newtonian fluids.
Discover how solar cells make electricity with this awesome kit!
Great tarantula specimen for the science classroom!
Build a magnetic levitating train with this science fair project kit!
View the glory of space with this hi-tech telescope set!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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