Find large zip lock bags with little / or no writing on top
Brown cardboard, cut it a few mm bigger than an A4 page
Colourful masking tape
Koki’s, colour pencils
Colourful plastic straws cut into +-2cm lengths (21 per child). You can also use buttons, then draw dots instead of lines for the A4 page.
X2 A4 160 – 240g paper
Cheap bubble bath. We used a 2l for 20 children.