Making slime Mix 200 ml water, 200 ml “white glue” and 10 drops food colouring, in a medium bowl. In a larger bowl, dissolve 4 teaspoons of borax in 250 ml water. Slowly pour the contents of the first bowl into second. Use a wooden spoon to roll the glue based solution around in the borax solution 4 or 5 times. Lift out the glue mixture and knead for 2-3 minutes. Store in airtight container or a self-sealing plastic bag.
Warning: The mixture is not edible and children should avoid touch their eyes after handling.