That's kids for you! They see you doing something fun and they want to do it. Let them sit in the same room as you, but find something for each of them to do. Tell them it is quiet time, they can color, play a video game, etc. Let them glue the snippets of fabric onto paper and make a picture, (if you can trust them to not make a mess with the glue). Something to keep them occupied, but each doing their own thing. Maybe a special toy that they can only play with at quiet time. Even if it is 10-15 minutes the first few times, extend the time daily. Good luck. They're only that age for a very little time!