Encourage an early love of STEM learning with this one-of-a-kind City Building Set. Your little engineers can create their own skyscrapers, cranes, bridges and more with 89 easy-to-assemble pieces. Use the included activity cards to complete design challenges, or create your own city. It’s a unique way to challenge logic, problem solving, and engineering skills. p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.