can motivate children's creativity, you can build whatever you think of, enriching imagination at the same time. Children's imagination is so abundant. They always do not know how to express some , but they can convey information to adults through building blocks. Features - Color: Assorted Color. - Material: ABS. - Size: 4.30X4.30X1.50cm/1.69X1.69X0.59inch. - Our interlocking blocks are totally safe for your child to play and experiment with. - This educational gears building set specially created to help your child develop hand-eye coordination, fine motor skills, improve logical thinking & boost vital problem solving skills. - Besides, kids can perfectly learn math and English letter by playing the funny and educational toys. - The gear blocks toy will give your children endless hours of fun and spark their imagination! - These colorful blocks are the perfect gift for every little kid, regardless of gender! Package list: 1 set x gears interlocking building blocks