Unforgettable Science!
Power up your Land Speed Challenger
Don’t blink or you’ll miss the action! This sleek 2 foot long land speed challenger will take your breath away as it roars off. It’s a REAL rocket on wheels, powered by our patented baking soda and vinegar fueling system.

The 24 inch long Land Speed Challenger: Lightning fast, totally unique, non-stop fun!

Fuel the Rocket Car with baking soda and vinegar, insert the fueling module, and your land speed challenger will be ready to roar off. You’ll see chemistry and physics in a new light after a day racing the Rocket Car. Our baking soda and vinegar formula starts a powerful chemical reaction that will propel the Rocket Car over 200 feet. You can experiment with the proportions to create your own secret rocket fuel mixture.