US Patent 10086304 Modular panel system for interactive play or display

The modular panel system includes composite panels with grooves integrated into both vertical sides thereof. The grooves engage the protrusions molded into all four sides of the mating element. By sliding panels onto a mating element, a room can be created. Two walls at right angles form a simple room corner. Three walls can become two adjoining rooms and other configurations. When disassembled, the panels and elements can be transported and stored out of the way, which is especially useful when used for large scale dolls, eighteen inches tall or more.