Outer Space Dig Kit – STEAM Children’s EnrichmentThe Outer Space Dig Kit features a custom green moon dig block made of premium quality, lightweight plaster. Each block contains three treasures one matte glow rock, one polished crystal, one rough crystal and comes with a chisel and brush. Treasures can be identified with the included guidebook. Possible treasures include: black meteorite matte glow rock peach moonstone green aventurine pumice orange calcite quartz geode