AUCH 1Pcs Original and Funny Wooden Kids/Children Letter/Alphabet/Subtitle Maze/Labyrinth/Moze/Intelligent Tool, Yellow Dimension(L * W * H): approx 40cm * 30cm * 0.8cm. It develop kids'capacity for independent thinking, color vision ability and sensory ability. It can develop kid's handeye coordination and wrist power. High quality and environmental wooden material. Letters can goes to the place that has same head letter of word.