Hi ssjd78,
welcome to the Apple (user-to-user) Community.
Re: "trying to create a child ID" ...
"verification: it default to PayPal with no option to change to credit card"
Create an Apple ID for your child – Apple Support
says:
"To verify that you're an adult, you need a credit card.
NB: "On your iPhone, you can also use a driver licence or state ID added to Wallet where available".
Re: "no option to change to credit card" "How to I work around this?"
If you haven't already:
Seems you may need to add a credit card to your Apple ID account:
Payment methods that you can use with your Apple ID - Apple Support in your country or region:
How to Add an Apple ID Payment method:
Add a payment method to your Apple ID - Apple Support
You may need to allow 24 hours for the change to come into effect.
or
Restarting your iPhone may help you see the recent change.
Restart your iPhone - Apple Support
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Later, if needed:
How to delete an Apple ID payment method:
Remove a payment method from your Apple ID - Apple Support
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or
If you wish:
You might want to reach out to Apple ID support:
Eg: There's a "Get Support" link at the bottom of their webpage:
Apple ID — Official Apple Support
All the best :-)