This magnetic Huarong Road puzzle offers an advanced sliding-block challenge for kids aged 6 to 12, combining classic logic gameplay with a portable magnetic design. Each box contains 40 pieces, and the compact size measures 4 by 38 by 2 centimeters, making it easy to store or take on the go. The puzzle is used to develop problem-solving skills and spatial reasoning through engaging, hands-on play. It comes in a blister clam package for clear display. Sold wholesale by the box.