2,Natural Material: The screwing driver board is made of environmental protective natural wooden material. The solid screwdriver helps children over 3 years old learn the practical life skills of using screwdrivers, hold the key correctly, and train hand-eye coordination and develop fine motor skills. 3,Safe Practices: Your child can safely practice removing and reinserting 8 different insertion screws while improving their recognition and sensory activities. 4,Equipped Accessories: The board is also equipped with two inserts, one for fixing the screwdriver, the other for fixing the bolts, and one for removing. The included screwdriver, hex wrench, and spanner are very lightweight, and the handle is textured for a firm grip. 5,More Functions: In addition to teaching through games, the screwing driver board helps to develop fine motor skills, explore bolt shapes and learn how to use them correctly. size:19x10x3.5cm Material:Wooden colour:Wood color Package Contents: 1 x Solid wood bus base 2 x Head screw 1 x Hexagon socket head cap screw 1 x Outer hexagon screw 1 x Butterfly screw 1 x Quincunx handle screw 1 x Wrench 1 x Ascrewdriver