National Geographic Rock Tumbler Explorer Series mnb032423 “Let there be light

“Let there be light

Forward-facing Harnessed Height 34 - 49"

As kids push the shapes through the elastic bands of the cube

Compact fold

- With rattling elements "bush" and "house"

National Geographic Rock Tumbler Explorer Series mnb032423 “Let there be lightThe National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your child or teen to turn rough rocks into gemstones, making it a perfect introduction to Geology and Earth Sciences. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. The tumbler base and motor are built to last and the tumbler barrel is designed to be low