They can be used over existing inserts

burnished shine

light line

All-Purpose Artist-Quality Acrylic Craft Paint: Premium paints glide on smoothly

JOYIN Bath Bomb | Soap Making Kit for Kids | 2-in-1 Spa STEM Science Kits | DIY Make Your Own Bath Bombs & Soap sports-tarps They can be used overCOMPLETE KIT & SUPER VALUE PACK. This kit includes everything you need for DIY bath bombs and soap. It includes citric acid, sodium bicarbonate, epsom salt, liquid colorings, fragrances, baby oil, soap wax blocks, glitter, surprise charms. It comes with multiple tools, including 12 single sided soap molds, 2 bath bomb ball mold, 3 teaspoons, 4 beakers, 10 pop sticks, pipette, wooden spa spoon, gift bag, instruction. This kit creates real science fun