Using the Hot Wheels Monster Trucks Big Rig and Truck Multipack is easy! First, you can tow the Tiger Shark toy truck behind its Big Rig. Then, place the Mega - Wrex on top of its corresponding Big Rig. After that, you're all set to start an exciting battle. When playing, keep in mind that the colors and decorations of the trucks may vary from what you see. Since this toy is suitable for kids aged 3 and up, adult supervision is recommended for younger children. To keep the toys in good condition, store them in a dry place away from sharp objects. Avoid exposing them to extreme temperatures as this may damage the trucks' paint and structure. Have a great time playing with your new Hot Wheels Monster Trucks!