NOVA Obsidian Excavation Lab rubber discs 'sliceable' butter

'sliceable' butter

“Let’s Go

Each plush is approximately 5 inches

long trips

this puzzle encourages hand-eye coordination and problem-solving while sparking imagination

NOVA Obsidian Excavation Lab rubber discs 'sliceable' butterYoung scientists unearth hidden treasures and explore the science of geology with the NOVA Obsidian Excavation Lab! Kids who love gems and rocks enjoy chipping and chiseling away at a mysterious obsidian replica to reveal a collection of real gemstones and minerals. With each discovery, kids learn how to identify their finds using real gemologist methods: matching, testing and classifying stones just like the pros. Once all the stones are uncovered,