Creative shape collage, playing with children's intelligent brains, helping children develop intelligence, multiple geometric shapes cognition, enriching children's knowledge base, 16 geometric shapes, enlightening learning, happy growth, flexible and coordinated development of hands and brains, exercising observation ability, each building block has a mystery, refining children's hand eye coordination and fine movements, solid wood making, rounded and polished smooth, playing without hurting hands, convenient for children to play, Shape pairing enhances finger flexibility while also recognizing color and shape