Any activity that you see, you can edit. If you find one with a spelling mistake, go ahead and correct it. If you have some optional rules to add, go ahead and add them. If you have some experience to share, then go ahead and share it. If you don't know the best place to add additional information, then you can just put it at the bottom of the page. If you want someone to review your work, then just ask Boy.pockets. If you try an existing lesson plan, then you can add your experience to the bottom of the page. Just write what you did, how it went and any advice/feedback you want to add.