• Natural stone :cultivate hands-on ability and hand-eye coordination ability,educational digging
• Mineral stone excavating :wonderful present for stone and mineral enthusiasts, geography teaching, collector,stone excavating
• educational :these help stimulate interest in learning and curiosity,stone collection
• Natural stone excavating :can restore the archaeological excavation process, so that learn the fun of discovery in practice,mineral stone digging
• Mineral stone specimens:can be used as parent- interactive , your relationship, digging