These gemstone diggingtools are well-made of premium material for durable use, which with smooth surface, will not hurt the hand of your kids. They can let your children learn the gems excavation process, cultivate hand-on ability, cognitive ability and arouse science interests better, let them enjoy much more fun. Features -Color:Black-Material:Plastic, metal-Size:18.50X6.50X1.70cm/7.27X2.55X0.67in (hammer)-Size:13.00X2.00X0.50cm/5.11X0.79X0.20in(brush)-Size:14.50X2.00X0.50cm/5.70X0.79X0.20in(chisel)- An easy way to train the fine motor skill, let your kids get more flexible fingers.- Perfect size design for kids to grip and play, allow them to spend happy playing time.-The fun of digging is not only in the digging process, it can improve children's hands-on ability.- The kit functions similar to the real thing and can stimulate children's imagination and curiosity. It is a great learning tool that helps enhance your child's sensory skills and practical skills.- Abirthday gift, baby shower gift, Christmas gift, new year gift for your lovely kids.Package list: 2 x Hammers2 x Brushes2 x Chisels