Each Premium Series kit is made from high quality steel sheets and features amazing detail. Easy to follow instructions are included in each kit and no glue or solder required! Simply snip out the pieces and bend the tabs through corresponding connection points.This Expert-level kit for ages 14+ contains 3.5 Sheets. Assembled Size: 2.68" L x 4.33" W x 7.68" H (6.81 L x 11 W x 19.51 H cm).