Build a fort, rocket, boat, tower, tunnel or bridge! The tubes fit snugly onto the connectors but are flexible so you can build with 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! Each pack includes 422 pieces (240 tubes and 182 connectors) and a large full-color guide with building suggestions to help get you started. Made in USA. This product ships in approximately 1 days