How to Seal Polymer Clay With Varnish - Questions and Answers
First time using polymer clay (fimo). Tried to put glossy varnish on the blue "helmet" but it cracked pretty badly (used a random varnish from the art store) and my acrylic paint
Cernit Varnish
Amazon.com: STAEDTLER Fimo Gloss Varnish, Water Based, White, 10ml : Tools & Home Improvement