Opened board: 28 x 28 x 2,0 cm, weight: 0,50 kg [more photos]     Opened board: 34 x 40 x 2,0 cm, weight: 0,50 kg [more photos]     Opened board: 38 x 52 x 2,5 cm, weight: 1,50 kg [more photos]     Opened board: 47 x 58 x 2,5 cm, weight: 1,80 kg [more photos]     Opened board: 42 x 42 x 2,5 cm, weight: 1,80kg [more photos]     Opened board: 48 x 48 x 2,5 cm, weight: 2,70 kg [more photos]     Opened board: 40 x 40 x 2,0 cm, weight: 1,20 kg [more photos]     Opened board: 40 x 40 x 2,0 cm, weight: 1,30 kg [more photos]