Description of size:
3cm color mixing with 6 (gold， red， blue and red)
6cm color mixing with 6 (gold， red， blue and red)
8cm color mixing with 6 (gold， silver， red， blue and red)
A 15cm1 (gold， silver， red， ?red， color notes)
A 20cm1 (gold， silver， red， blue， red， color notes)