If you want your own rocket car you don’t have to build a full sized version. Just get this Be Amazing Toys Geyser Rocket Car.
It’s not only fun, but also educational. It will teach your kids about Newton’s laws of motion, while going over 100 feet. You can either use mentos and soda or just plain old air. It’s a hot rod soda bottle ready for racing.
You get everything in this kit that you need to get started. Your kids will have hours of fun with this toy. Just $19.87 from Amazon.