|adding water with black food colour added to flour|
|hmm, it was a bit too grey - more food-colouring needed|
... more and more flour was added until it finally became a play-doh like consistency! It took a while. All the time Michael was keeping clear of the kitchen as he did not like the smell of the acetic acid - he was busy constructing with lego...
|too much water - more flour needed|
|And then the volcano was ready for the bicarbonate and acetic acid|
Once they had satiated their volcanic needs they turned to the cornflower "Its soo cool, it neither liquid nor solid, and yet it's both..." - and yes their hands are ever so slightly green afterwards.
|cornflour, water and green food-colouring|