The core recipe is glue, activator, and your choice of add-ins — foam beads, ASMR additives, clay slices, and fragrance. Get ratios right the first time with our free Slime Recipe Calculator.

It's almost always the activator ratio — too little leaves it sticky, too much turns it rubbery. Add activator gradually and knead between additions; our Slime Recipe Calculator gives you starting ratios that work.

Absolutely — slime shops thrive online and at markets, with strong repeat purchases from collectors. Read turning your craft into a business and selling handmade products online to build it right.

Airtight containers are non-negotiable — slime dries out. Clear jars show texture, and clean labels build trust; see these packaging ideas and our branding guide.