littleBits Space Rover Inventor Kit
Build and customize a planetary rover and undertake hours of missions inspired by NASA astronauts.
Piper Computer Kit
An educational microcomputer that a kid can assemble, which then teaches them STEM and coding concepts via a custom Minecraft adventure.
Mojoptix Digital Sundial Kit
An amazingly clever, 3D-printed sundial that uses precisely-cut holes to display the time in its own shadow, digital-style.