Stem

Get a Worms-Eye View of Root Growth. This transparent "nature's window" allows gardeners of all ages to watch seeds sprout and grow into plants-rig...

Zoom in on the fun with the Nancy B Microscope! This 2-in-1 light and dissecting microscope gives up-close views--30x, 100x, and 400x magnification...

Building on the success of the Learning Resources Code & Go Robot Mouse Activity Set, this analog coding game is a screen-free way to help kids...