Creative Engineering STEM Toys Building Blocks 91pcs

This educational STEM toy set is perfect for 3+ year old unisex kids! It helps them acquire strong sense of color, geometrical shapes including 3D forms, numbers counts, hand-eye coordination, engineering design & logical thinking. With many blocks, bolts & wheels, children can create many patterns, animals, cars, robots and anything they can imagine, which develops their creativity & imagination. The bolts are designed with a built-in screwdriver slot, making it easy to turn the simulated electric screwdriver on and start to build their imaginary world. This building toy set is sure to provide hours of fun and learning!