Unassembled model with easy to follow instructions. Ideal for ages 14 and up. Parts can be easily clipped from the metal sheets. Tweezers are the recommended tool for bending and twisting the connection tabs. 2 Sheet Model with a moderate difficulty level. Once assembled, dimensions are 3.51" x 0.98" x 1.25" Pop out the pieces and connect using tabs and holes. Includes illustrated instructions. Display your 3D model once completed - collect and build them all.