Builder Activity Set (211 pieces)Design, build and rebuild again with the perfect building toy to test the minds of budding engineers. The 34588 Builder Activity Set contains all the components and tools youll need to build almost anything your mind can design. The Builder Activity Set has 211 play components including easy to use construction tools such as hammers, screwdrivers and wrenches, wooden and plastic parts to base the construction around, and active features such as