MindWare Nova Obsidian Excavation Lab open-ended sensory toy All hail Mini King Raven

All hail Mini King Raven

The sticks act as a web that block the marbles at the top of the tube

and create with these iconic interlocking bricks

working elevator

layouts and functions

MindWare Nova Obsidian Excavation Lab open-ended sensory toy All hail Mini King RavenYoung 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,