1) Full-size model 2) Make fun of cheerful dummy 3) Replica or model 4) Teaching model 5) Working model 1) Sketch 
In manufacturing and design, a mockup, or mock-up, is a scale or full-size model of a design or device, used for teaching, demonstration, design evaluation, promotion, and other purposes. A mockup is a prototype if it provides at least part of the functionality of a system and enables testing of a design. Mock-ups are used by designers mainly to a...
Alternate term for Dummy.