SainSmart Jr. Woodworking Building Kit 3-in-1 Kids STEM Projects Set DIY Wood Crafts Assembly Toys with Different Combinations for Boys and Girls

Design with flat head screws and counterbore which can perfectly restore the woodworking process while ensuring the safety of children. Build and DIY your own car kits which helps to improve kids logical thinking cultivate hand-eye coordination problem-solving skills. They will gain a sense of accomplishment as they complete their creations!