Improves imagination, construction and problem-solving skills Store away all your parts and pieces in the convenient container 50 models to build from Instructions included Imagine, create and build with the K’nex 16511 Creation Zone Building Set. This ideal starter kit has over 400 classic K’NEX pieces with which you can build over 50 models! Enclosed are step-by-step colour-coded instructions. The models vary in difficulty so you can start off with a simple design before you try something a bit more tricky! Once you have built over 50 models, you can freestyle and build anything you can imagine! Most models can be built one at a time.