input question: To attach smaller elements safely to child's busy board.

output answer: Use hot glue to attach the smaller items.

input question: how to remove price stickers

output answer: wet with laundry spray and scrape off with fingernails.

input question: For pocket-sized rice hand warmers, what kind of thread should I use?

output answer:
The thread must be 100% cotton so that you can heat it in the microwave. Polyester and other synthetics can burn or melt.