this week I made watercolour paints

you will need

. 4 tsp baking soda
. 2 TBSP Vinegar
. food colouring

colours
1 part blue & 3 parts red make Purple

5 parts red & 2 parts yellow make Orange

3 parts yellow & 1 part green makes Lime green

1 part green & 2 parts blue makes Aqua

1 part red & 1 part green makes brown

1 part red,1 part yellow & 1 part blue