From storage to stacking! This convenient container is part of the play! The Build & Store Box Set contains 65 pieces and 5 marbles! Easy to construct, continuous, modular marble runs make it faster for children to innovate and build! With 3 build levels from beginner to advanced, create a wild vertical play set with the container! Launch the marbles back to the top of the set with the included marble launcher! Use the 2 new flexible marble tubes to see marbles twist and turn on their run down to the bottom! Compatible with other Marble Rush® sets! Discover more on marblerush.com