Rounding out the Techno Gears Marble Mania Mini Series, the award winning Zoomerang set includes more than 80 color translucent pieces to build and create your own marble and gear run. Closely follow the colorfully detailed instruction manual to build the impressive structure and watch your child enjoy the extended play value and experience cause and effect. Once completed, the corkscrew marble lifter can be cranked to elevate the marble to the top of the build where the track and the fun begin. Foster a creative hands-on experience and make learning fun by introducing your child to the remarkable world of engineering and mechanics! Recommended for ages 6-12 years.