Handmade Set: Oven-Bake Clay, Coating Agent, UV Resin, Pin Kit, Parts

This is the item shown in the first photo ??

One star-shaped base part is missing.
The dome part of the pins kit has yellowing.
The clay has hardened.

Please check the condition in the photos
and consider your purchase.

Anonymous shipping via Mercari便
Scheduled to be shipped via Yu-Packet Post ??