The challenges can be used for all ages if you were setting up a skills challenge at a camp, an event, picnic, or a birthday party. You could do the skills by time or by doing so many of each. There are 49 skills 21 of them have supplies for you to use. The ones that do not have supplies you would be able to find the supplies around your home. Someone put a lot of work into the booklet with the skills and gathering supplies. This box of goodies help with many of the learning skills