Blow dandelion seeds
Wishes in the wind – some people say if you can blow all of the seeds off a dandelion head in one breath then your wish will come true! Do you know how to tell the time by a dandelion clock? You blow till the seed is all blown away, and you count each of the puffs—an hour to a puff.
How far can dandelion seeds travel? Blow dandelion seeds from a seed-puff and measure the distance they travel from the spot where you blew them to where they land.
Internet links to help you:
Dandelion Adventures by L. Patricia Kite
Seeds Travel by Elaine Pascoe