If you're worried about your kids listening to high volumes on their headphones, a good pair of BuddyPhones+ can provide the volume control they need. And your littles will love customizing them with stickers!
If you want a more conventional gaming controller for your Switch and don't want to spend more on the Pro Controller, you do have other options. Here are my favorite third-party controllers for Nintendo Switch.
Through May 5, Satechi's Mother's Day sale is taking 15% off your order when you use the appropriate promo code during checkout. That gives you the chance to save on USB-C accessories, monitor stands, charging cables, wireless chargers, and more.