You will need: a large work area (this can get pretty messy, so use newspaper or make your volcano in the garden), modelling clay (brown and red), baking soda, red food colouring, washing up liquid, vinegar.
1. Make the outside of the volcano with modelling clay. Use brown clay for the base and red clay for the rim to make it look like red-hot lava.
2. Scoop out a hole at the top of the volcano and stir in 1 tablespoon of baking soda, a few drops of red food colouring and a few drops of washing up liquid.
3. Pour in 1/4 (quarter) of a cup of vinegar, stand well back and watch the volcano erupt!
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