Number of layers (specification):

Square length 20 * width 20 * height 15cm

Square length 25 * width 25 * height 15cm

Square length 30 * width 30 * height 15cm

Square length 35 * width 35 * height 15cm

Square length 40 * width 40 * height 15cm

Square length 45 * width 45 * height 15cm

Square length 50 * width 50 * height 15cm

Bar length 30 * width 20 * height 15cm

Bar length 40 * width 20 * height 15cm

Strip length 50 * width 20 * height 15cm

Bar length 60 * width 20 * height 15cm

Strip length 70 * width 20 * height 15cm

Strip length 80 * width 20 * height 15cm

Bar length 30 * width 25 * height 15cm

Bar length 40 * width 25 * height 15cm

Strip length 50 * width 25 * height 15cm

Bar length 60 * width 25 * height 15cm

Strip length 70 * width 25 * height 15cm

Strip length 80 * width 25 * height 15cm

Bar length 40 * width 30 * height 15cm

Strip length 50 * width 30 * height 15cm

Bar length 60 * width 30 * height 15cm

Strip length 70 * width 30 * height 15cm

Strip length 80 * width 30 * height 15cm

Bar length 90 * width 30 * height 15cm

Bar length 100 * width 30 * height 15cm

Bar length 120 * width 30 * height 15cm

Bar length 60 * width 35 * height 15cm

Strip length 70 * width 35 * height 15cm

Strip length 80 * width 35 * height 15cm

Bar length 90 * width 35 * height 15cm

Bar length 100 * width 35 * height 15cm

Bar length 120 * width 35 * height 15cm

Length 60 * width 40 * height 15cm

Length 70 * width 40 * height 15cm

Length 80 * width 40 * height 15cm

Length 90 * width 40 * height 15cm

Length 100 * width 40 * height 15cm

Length 120 * width 40 * height 15CM