Build the ultimate ball tracks with SmartMax&SmartMax Build & Roll set that contains an amazing 44 pieces! This set features semi-transparent tubes for that extra fun when the balls rolls down.

The Smartmax 44pc Build and Roll Set helps kids enhance their visual-spatial skills by building their very own constructions and ball runs using the fun, semi-transparent tubes.

With endless options you can make all kinds of crazy and fun structures and watch the balls roll down.All the pieces are large so that they cannot be swallowed. Compatible with all other SmartMax sets this STEM magnetic construction set is perfect for being creative and developing STEM skills.