My son has been collecting Hot Wheels cars since he was two. He was always too busy rolling them around and crashing them into each other and walls to put the cars into his mouth. I bet today he has about 5,000 cars scattered around the house and outside in various bins and boxes. It worked out good for me since the cars are cheap and getting him one or two each week didn’t affect the budget as a video game habit would. We have also spent countless hours over the years playing with Hot Wheels tracks that were never as cool once put together as they seemed in the box.