Smart Pocket Building Blocks Race Track Smooth and burr-free building blocks race track Freely matching, double layer track with large colourful particle building blocks With a U-shaped curve Helps to develop hand-eye coordination, logical thinking, creativity, and colour and shape recognition Cultivates imagination, patience, problem solving, and concentration as baby keeps track of the balls direction. This is a single item. Multiple items may be shown. Each sold separately For Assorted items, colours and styles may vary from time to time and item will be picked at random