About This Gig You can use it for STEMA Education or family entertainment or other purposes. Models are all done and provided as they are. Instructions come in 3 customizable layout options. Source files includes: Ask about discounts for larger orders. EXTRAS: Quantity of steps varies from model to model as the priority is to make them easy to build for children. In order to complete the order, One of them must be: 1. Pictures of LEGO building/demolition steps, or easily recognized disassembly drawings; 2. Step Video of LEGO Construction/Demolition 3. LEGO model source file[.ldr (for LDraw softwares), .io (for Studio 2.0)]