$25 to $50

Finally, an adorable robot! When kids assemble the 172 pieces, they won't realize they're learning about gears, motors, and sound sensors. They wil...

Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as yo...

Never too young to be a visionary. Create even more robots with Roboflex Plus! The new, flexible, extendable magnetic bars add an extra dimension t...