STEM Toys.
- and soon, miniature fairy gardens, stunning dioramas, fascinating crafts, and artwork masterpieces will flow from it like water! Mini Materials - 1:12 Scale Breeze Block Mold - Arts & Crafts for Ages 8 to 12 - Fat Brain Toys Arts & Crafts. Fill this mold with almost any kind of hardening material you can imagine - plaster, concrete, anything!. Maker & DIY Kits. Toys.