• Educational digging --a good helper for to enjoy the fun of adventure and cultivate ability to think independently,natural stone excavating
• Stone excavating --this product truly restores the mining process, let the learn the joy of discovery through practice and develop carefulness and patience, DIY digging
• Stone digging --with these stones, can share them with their playmates and play together, educational
• digging --cultivate hands-on ability and hand-eye coordination ability,mineral stone digging
• Mineral stone excavating --can be used as parent- interactive , your relationship,stone collection