PVA polymer slime

Greetings fellow Scientists!

Today we made PVA polymer slime. We started by getting the glue into a cup:

Then we added some food colouring:

Lastly, we sterted adding borax solution. At first, we made the slime but as we continued adding it, our slime turned into a solid and squashy whole:

As we continued exploring its properties, some of us made "a crime scene":

At the end of the session we decided to test how bouncy our creation is. What did we discover? Well, have a look yourself: