Central Europe has thousands of small towns and villages, and every one had a church. This kit allows you to build a typical church found in that region. The 10/12mm model is 5" long, 2 1/2" wide and 7" tall. The 15mm model is 7" long by 3 1/2" wide, by 9" tall. The 20mm model is 9" long, by 5" wide, by 12" tall. The 25/28mm model is 11" long, by 6", by 15" tall.