Gillyweed is a plant that Neville longbottom gives Harry potter in the 2 triwiserd task so he can breathe under water.
you can make your own here!!!
cool looking glass or bottle
food coloring (opitonal)
Step 1: Gather Materials
Get water and pour in to glass!
Step 2: Put Grass in Glass.
Put all of the grass in your glass! And your done!!!
Step 3: Success!!
Good job you finished this craft!! You are ready to dive!