Make the next step smaller
Instead of a large goal such as finishing a book, making a painting or learning a language, choose only the next small action. Finding the materials, marking a page or recording an unfinished idea can be a start. Do not turn a personal interest into another productivity measure. Not wanting to continue on a particular day does not mean you have abandoned something that matters to you.
Make stopping easy too
If another person will take responsibility for childcare, agree this explicitly beforehand. Choose materials you can put away easily and keep hazardous parts inaccessible to children. A single sentence about where you stopped may help you return. If the project feels like extra pressure rather than a welcome interest, pausing is an option. You do not owe anyone a finished product or a public update about your progress.
Your next little step
Choose one idea that suits your family and try it at your own pace. Every family has different needs.
An example in practice
For example, write only the idea for your next drawing in a notebook. Store the materials appropriately and mark the page. At the next opportunity you can begin, change the idea or choose to leave it for another day.