Building Blocks

There are a total of 286 pieces in the pipeline rolling ball building blocks set, including various shapes of pipes, colored balls, triangles, and polygonal accessories, as well as funny letters and cartoon stickers
Round edge design without sharpness
Can be easily combined into a variety of models from 2D to 3D
Kids would acquire strong sense of color, creativity, color and shape recognition, spatial imagination ability, patience, and problem-solving skills