Count preparation and cleanup as part of the plan
A short local outing can have more usable enjoyment than a distant activity with a long setup. Choose the whole effort you can manage and leave time for meals and rest. One worthwhile block is enough to begin.
Before starting, check the materials and adult-help notes in the guide. Begin with a small version and keep a familiar alternative available. If the idea does not fit the day, simplify the task or choose a different pace; a longer list is not always the answer.
A useful next step
Choose one guide above and save two ideas you can actually use. The free starter pack gives you a paper backup for moments when you would rather stop searching and begin.