Empty toilet paper rolls, scissors, acrylic or poster paint, cotton wool, Paper or card.
Cut thin slits at one end of your toilet roll. Make a little pool of paint, either on a plastic plate or on a piece of paper and start dipping and stamping to make dandelions.
With the cotton wool, use the same dipping and stamping technique to make the dandelion dust. You can also use the end of cotton buds to add details.