How to Make Flubber at Home: The Ingredients 3 cups Warm Water 2 cups Elmer’s White Glue Liquid Water Color (food coloring stains) 20 Mule Team Borax, available in the grocery store laundry section. (Please see NOTES section below for safety information about Borax.) Glitter (optional) White Vinegar (for cleaning) The Steps In a large container combine and mix: 1 ½ cups very warm water 2 cups Elmers white glue A few drops of water color and/or glitter if using clear glue Make sure this combination is completely mixed In a small container combine and mix: 1 1/3 cups very warm water 2 level tsp 20 Mule Team Borax. Adults, please do this step. (Please see NOTES section below for safety information about Borax.) Make sure the Borax is completely dissolved. Combine the glue and borax mixtures: Mix well using your hands until all the liquid is absorbed. You may need to squish, mix, and break up the flubber to get it fully combined. Store the flubber in a plastic, air-tight container at room temperature. For best results, measure precisely and mix well as noted above. Notes About Saftey Adults, please keep the box of powdered borax out of the reach of children. If kept in an airtight container, the Flubber will keep for up to 2 weeks. Vinegar dissolves Flubber from carpet, hair, furniture, clothes, and pets. This recipe makes enough Flubber for six children.