Build your very own ROLLER COASTER MARBLE RUN completely from this book! Press out the pieces, assemble your roller coaster and watch as your structure grows. Then race marbles from two starting points and see which marble comes out first!
With extra information about the science behind your build, this book will keep master builders entertained for hours.
With extra information about the science behind your build, this book will keep master builders entertained for hours.
Newsletter Signup
By clicking ‘Sign Up,’ I acknowledge that I have read and agree to Hachette Book Group’s Privacy Policy and Terms of Use
