Materials
For this activity you will need:
3.5 cups of flour
1.5 cups of salt
2 cups of water and 2 tablespoons of oil
Large bowl and tray
Plastic shaped cylinder/plastic cup to be pressed into the middle of the hard mixture acting as the tip of the volcano
Paint (optional)
Lava mixture (vinegar, baking soda or something very fizzy like Vitamin C and washing up liquid)