The basic length is 900mm. For materials with different lengths, the lengths are individually listed in the photos. Due to the varying lengths, shipping costs will be higher, so they are only sold in bulk. Thank you for your understanding. If you are okay with the lengths being cut in half (approximately 27-38cm), we can offer a discount, so please comment. Round material, 2mm: 1 piece Square material, 1mm: 23 pieces Square material, 2mm: 4 pieces Square material, 3mm: 1 piece Square material, 3mm: 8 pieces (dark brown) Square material, 3.5mm: 18 pieces (balsa wood) Square material, 5mm: 13 pieces Because they were stored upright, some have worn corners on the cut surfaces. Please be aware that there may be oversights regarding dirt, scratches, and miscounts of the number of pieces, so please refrain from purchasing if you are sensitive to these issues.