Develop children's observation, patience, concentration, Recognizing color, improving the ability to distinguish. Enhance your child's creativity and imagination, Teaches your child to arrange items in an organized way. Help children recognize shapes and colors, improve their imagination, logistic thinking ability and manipulative ability etc Assembling the blocks to many models, make children realize tall, low, length and short concept, inspire their creativity ability. Made of environmentally friendly ABS plastic with smooth edge, harmless to your kids