Description This product is manufactured with material, specialand unique for long time use. It is safe, no harm to kids health. You needn't worry about its safety. Let kids experience the fun of assembling tools, and cultivate children's hand movements. Features -Color: Random Color -Material:Wood -Size: 27.5X20.7X12.7cm/10.81X8.14X4.99in -Complete set of simulation tools, complete operation tools, exercise baby hands-on ability -Simulated learning and hands-on creation can satisfy the baby's curiosity and hands-on desire -Image simulation operation, baby to start, baby engineering dream -Install the gear and rotate it manually, so that the baby can observe the linkage of the gear -Polish irregular edges and corners to ensure no edges and corners, and protect baby's tender skinPackage List1 x color box 1 X tool bench 4 x screw 4 x gear 4 x gasket 2 x bolt 4 x nut 1 x 2 orifice plate 1 x 5 well plate 1 x 3 orifice plate 1 x square 1 x claw hammer 1 x wrench 1 x straight screwdriver