They say to choose pleasant familiar scents for children to guess.
They advise that liquids or oils can be dripped onto a cotton ball for easier handling.
Older children can even use blind folds or covered containers to make the game harder.
Examples of scents to try include hot chocolate, cinnamon, vanilla, oranges, pie spices, mint or candy canes, dryer sheets or coffee beans.
For more information you can find a link to the North Perth Earlyon Facebook page below.