Liquid food coloring is easiest to work with when making slime.
KATSPRO 14 Colors Food Coloring Liquid Set
Stainless steel bowls are best for slime making because they are not porous and are easy to clean. These have covers which are handy to store slime after making it.
Mainstays 6-Piece Brushed Stainless Steel Mixing and Storage Bowl Set with Clear Lids
My great nieces like to add shaving cream to their slime to give it a fun texture. I like this one because it smells nicer than men's shaving cream.
Pure Silk Raspberry Mist Spa Therapy Shave Cream for Women, 7.25 Ounces
A wooden spoon to stir the slime ingredients together.
Mainstays Bamboo Cooking Spoon, Natural Bamboo, 13 in, 1 Piece
A pricey alternative to activator, but if you already have contacts, you can spare 2 Tablespoons for your kids to make ocean slime when mixed with clear glue and baking soda.
CLEAR CARE PLUS Cleaning & Disinfecting Contact Lens Solution with Case, 12 oz, Twin Pack HSA/FSA Eligible
Makes slime clean up easier.
Great Value Disinfecting Wipes, Lemon Scent, 75 Count
Perfect for cleaning hands off when done making slime.
Equate Sensitive Fragrance and Dye-Free Wipes, 72 Count
Makes slime extra pretty with glitter glue.
Colorations® Glitter Glue - Set of 6
Mix it up and try different recipes for slime.
The Book of Slime - A Kid's Guide on How to Make the Best Slimes of All Time, (Paperback)
Kindle version of slime recipes for when you need it right away.