• Wood and metal
• Interesting screwdriver board:parents can play this screw nut with your to the parent- relationship, supply
• Preschool : developing hand-eye coordination, logical thinking and creativity, playing
• Educational playing:adopted with material, it has excellent and high durability and practicality for usage,wooden busy board
• : can easily play with this screw nut in a happy mood, it can cultivate practical ability,board
• Funny screwdriver board:cultivate brain development, coordination and self-confidence, conducive to exercise cognitive ability, ability and learning ability,educational screwdriver board