How to tie a different shoelace style?
Who am I - A teenagers
What is it - A pair of lace shoes
What for - Make your shoes have a different look
1st task - Get the materials
2nd task - Select the style you like
3rd task - Tie shoeslace
Outcome - Match up with the dress up

How to make a instant ice cream?
Who am I - A teenagers
What is it - Ice cream
What for - Have a ice cream when in a hot day~xD
1st task - Buy materials
2nd task - Start making ice cream
3rd task - Add topping
Outcome - An instant handmake ice cream

How to stop global warming?
Who am I - One of the earth people
What is it - Our planet
What for - Saving out planet
1st task - Reduce the usage of electrical
2nd task - Reduce, Reuse, Recycle
3rd task - Planting
Outcome - Cold down global warming