Combine borax with 235 ml water until dissolved. In a separate bowl, combine the glue, food colour and 235ml water. Mix well and now slowly add the borax mixture. Knead well with two hands until you are happy with the texture.
Upto one month if stored in a air-tight container or Ziplock after every use. Can be stored longer if refrigerated. .
Instead of kneading, add the final mixture in a container, shake vigorously until the slime is formed. This will take about 5 mins.
Use Elmer’s clear glue for a transparent slime.