Try to follow the format we use in class children; coming up for 4-6 ideas of the same drawing (use different media or colours) then analyse your favourite and draw this big on A4 paper.
Ideas for drawing linked to our topic Brazil:
Animals living in the Amazon
The Amazon river
A carnival mask
Christ the Redeemer
Type in these into Google images and try to replicate the drawings or use your imagination.
Other artists you may want to research:
You have some fantastic imaginations children so create your own art or draw/paint items around the house or images from books.