For this project it is best to use twist off caps because they don't bend when removed.
Tools and Materials:
1 inch circular craft punch
clear casting resin
Small magnets or thumbtacks
1 Using a craft punch, cut put pictures. Using craft glue , attach one picture to the inside of each bottle cap. Let dry.
1. Cover a work surface to protect it from spills, and lay caps on top. Following manufacturers instructions for clear casting resin,fill each bottle cap to the rim. Let dry overnight.
3 Using contact cement, attach magnets or thumbtacks to the backs of the bottle caps. Let dry overnight before using.