ΣSelected Material: Constructed from and safe natural mixed ore, mineral identification kit is hard, reliable, wear-resistant, safe for children and pets, and not easy to damage. ΣPromote Kid's Curiosity: As an educational sample, rocks and minerals collection can develop kids' imagination and curiosity and help them learn some mineral knowledge. ΣBuild Contact Relationship: Our rock collection helps build intimate contact and communication between parents and children or playmates and develops children's organizational skills. ΣWidespread Application: Rock and mineral kits are suitable for bars, clubs, coffee shops, banquets, clothing store doors, shopping malls, home window decoration, etc. ΣDesired Gift: Mineral kit is perfect for yourself, your family, friends, or anyone on anniversaries, holidays, Christmas, Mother's Day, Valentine's Day, and birthdays.