Mix and 1 cup of water in a bowl. Add a few drops of food coloring.

Gak is notorious for bonding permanently to fabrics. Keep it far away from carpets, rugs, and clothing. If it dries into fabric, it is incredibly difficult to remove.

Knead the glob with your hands until it reaches that signature, cold-to-the-touch Gak consistency! Nickelodeon Gak - eBay