- Add one tsp of bicarbonate of soda to 100ml of PVA glue, stir until fully mixed.
- Add your food colouring to the mixture and stir well, it can be whatever colour you like!
- Stir in small amounts of contact lens solution at a time, make sure to keep stirring. (Make sure you use contact lens solution, NOT saline)
- Give it a poke, you'll know its ready when it looks and feels like slime!
Let us know how you get along with your own slime in the comments below.