copernicus.toys

magnetic glux

owl pellet

crystal growing giant sequoia

crystal growing volcano

cabinet of owl pellets | dissection kit science demo

sunprint kit

human powered lightbulb

copernicus toys -awesome fossils

brew it yourself root beer kit

bouncing planet maker

swell polymer multi-colored spheres

growing crystals

gem card of the usa

star ship engineer tape

quantum bubbler: universe of bubbles

edible chemistry kit

monster balloon

flinger bot | fling objects with abandon

crystal growing coral reef

mini catapult : wooden engineering model building kit