How to use: First, place your Hot Wheels car on the slam launcher. Then, give it a good push to launch it through the 9 - inch loop and aim to hit the T - Rex. If you hit it hard enough, the T - Rex will be knocked out and its eyes will change. Connect it with other sets to create a bigger racing world. Attention: Keep small parts away from children under 3 to avoid choking hazards. When playing, make sure to place the playset on a flat surface. Maintenance advice: Use a dry cloth to wipe the playset clean. Avoid getting it wet as it may damage the launcher and other parts.