Smartivity Stem Wheels Highway Hog
- Smartivity’s Stem Wheels Highway Hog construction car takes the adrenaline rush to the next level! Introduce your child to the concepts of motion, elasticity, and momentum, faster than your child’s car can race across the finish line
- . Build your own car, load it into the launcher and watch it go zoom! Challenge your friends for a race and compete for the title of champion.