3D Stage Builder Kits are 3D props that transform the landscape, making the design process effortlessly efficient. This innovative product is an interactive method that replaces using traditional tools used for stage design. You can intricately plan and visualize every stage from multiple perspectives, empowering you to strategize shots before the actual construction begins. 3D Stage Builder Cooper Tunnel is an add on to the 3D Stage Builder Kit. The 3D Stage Builder Kit is not included.