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Based on the world famous Butterfly®, the Butterfly XT™ is a classic design with modern technology. It features a ball-bearing axle, offering 10x t...

No Cap? No Problem! Magic Stix are GUARANTEED to last with the cap off for up to 7 DAYS without drying out! -24 vibrant markers -Carrying cases are...

Build robots powered entirely by the wind! A big-wheel tricycle, a quadruped, a soaring machine, a drilling monster, a walking robot, and even a wi...

Discover the science of living things with this complete introductory microscope kit. The beautifully illustrated experiment manual guides you thro...