Lego 3427 sports gives you the option to build different models of sports gear such as a basketball, football, tennis racket, soccer ball, and baseball. With this set you can let your creativity shine through and build your own stadiums, courts, and fields. The set comes with 462 pieces that can be combined to create hours of fun and imaginative play. The instruction manual provides step-by-step instructions for each model, but you can also use your imagination to create your own unique designs.