If you're feeling extra creative, you can always DIY your own activity bag or box based on things you know your child enjoys. (romper.com)
Right after my best friend had her second baby, she received the best gift: a bag activity bag that her toddler could play during the newborn's feeding time. (handsonaswegrow.com)
What you put in your feeding - time activity bag will depend on what your child likes, and it doesn't have to be expensive. (handsonaswegrow.com)