Collect milk bottles - 1 pint bottles are great for smaller children and 2 or 4 pint bottles for older children or adults.
Wash out milk bottles well and remove labels.
Empty plastic milk bottles with lids – 1, 2 or 4 pint sizes
Nails (size will be dependent on how fine you want your spray)
Permanent marker pens
Need more help?
Watch our RHS Ambassador, George, show you how it's done.