A whole bunch of Australia Day party printables (some paid and some free) from over at Life's Little Celebrations.
Echidna: Clean up Australia Day, NAIDOC Week, Environment Week, any 'nature' or 'garden critters' themed workshops
Have the children draw a step by step koala then use real bark and leaves on the tree.
australia day crafts - Google Search
Easy Sydney Harbour Bridge craft for kids made from paper plates and cups. Great idea for learning about Australia and famous Australian icons. ~ Danya Banya
Your little kitchen helpers will love getting hands-on to make these fluffy little koala biscuits. No baking involved - just whip up some grey icing!