Without skylights: Sizes: Length 23.6 * Width 11.8 * Height 12CM

      Medium size: long 32 * wide 13.6 * high 12.7CM

   Large size: length 40.7 * width 16 * height 14CM


   With skylights: medium: long 25.8 * wide 12.5CM * 10.8CM

        Large: 38 * long 15.5CM * 12.5CM long

With holes (gray / green) Medium: 25.5 * 12 * 11.5CM

         Large: 38 * 15.3 * 13CM