Make someone a gorgeous fizzy bath bomb for Christmas!
This may take 15 minutes
Before you start making your bath bombs, get all your ingredients out and put your gloves on. This will stop your hands from getting messy or dyed by the food colouring!
Put the cream of tartar and bicarbonate of soda into the bowl, and mix them together thoroughly with your fingers.
Add the food colouring and food flavouring to the bowl and mix in using your hands. The mixture may become a bit clumpy, but you can turn the clumps back into powder by rubbing them between your fingers.
Using the spritzer or spray bottle, spray some water onto the mixture and keep on mixing it together. You probably need much less water than you think, so make sure you only add a tiny bit at a time!
Aim for a consistency where mixture is still pretty crumbly but will just about hold its shape when you squeeze it hard in your hand.
Using a spoon, scoop the mixture into your moulds and press down with fingers.
Leave these somewhere warm and dry overnight, to set until they are hard. The next day, gently tap the mould to ease the bombs out (you might need an adult to help you with this).
Wrap them up nicely with the tissue paper, ribbons and labels and give to your family or friends as a gift! Make sure she uses the bath bombs within a few weeks, otherwise they will lose their fizz.