Talk:Da Vinci's Workshop/@comment-87.95.11.10-20161128225254/@comment-30399012-20161226185513

If you choose the "Over 20 Y.O." option when you first try to buy Quartz, it'll allow you to purchase unlimited Quartz if you want. The top option (less than 15 Y.O. I believe) only allows you to buy 4800 yen worth of Quartz every month.