-School glue(safe and non-toxic)
-Some little containers, like the ones of lip balm.
-Food colouring, any colour that you want.
1st: Fill the containers with the glue.
2nd: Introduce the food colouring into each container
3rd: Mix the glue with food colouring
4th: Apply it on your lips, and let it dry for 5 minutes.
5th: Remove the dry mixture, and it's done!