Face Casting Cast Mask Making Kit - Moulding Alginate & Plaster Lifecasting Kit Also perfect for other smallish round or flat adult body parts like a breast. Or you might like to reproduce a small cherished sculpture. Unlike cheaper kits, this kit contains the essential ingredients to complete a cas... Read more
Companies are selling such paint. Check out this primer on Amazon, which covers and kills mould, bacteria, and mildew. Has excellent reviews too! https://www.amazon.com/Rust-Oleum-276087-Killing-Primer-Quart/dp/B00K7FEQPI
You could cast your kids face every year to see how they change. Saw this for sale on ebay