Build something with your hands and learn some age-old robotic wisdom when you put together this officially licensed Transformers Optimus Prime Metal Earth Model Kit. This Premium Color 3D Metal Earth Model Kit of Optimus Prime comes with 3 high-quality steel sheets and features amazing detail. Easy-to-follow instructions are included in each kit and no glue or solder is required! Simply snip out the pieces and bend the tabs through corresponding connection points. Assembled Size: 2.4" L x 2.36" W x 3.74" H (6.1 L x 6 W x 9.5 H cm). Difficulty: Moderate.