Take your imagination to new heights! Build tall forts, rockets, boats, towers, tunnels or bridges! The tubes fit snugly onto the connectors, providing a sturdy foundation for your creations, but are flexible so you can build curves and arches. This award winning set has 6 unique connectors that let you build up, down, sideways, diagonally and around corners! Plus, there are 3 different lengths of tubes (4, 8 and 12”) that will help give you all the options you need to build the most creative structures you can imagine!