This Schylling's Steel Works Mechanical Multi - Model set is a dream come true for young engineers aged 8 and up. Whether it's a quiet afternoon at home or a fun group activity at school, kids can use this set to construct, deconstruct, and create new models. It weighs 1.6 lbs and has dimensions of 2.5 × 13.5 × 10.5 inches. The set comes with real steel parts, tools, and easy - to - follow illustrated instructions. You can even combine it with other Steel Works sets for larger builds. And don't worry, free tech support is just a call away at 1 - 877 - 729 - 2099.