How To: Migrate A Microsoft Bookings Solution Between Tenants

TL;DR: Is it possible to create a Microsoft Bookings solution (couple of services, a few staff, notifications etc., all standard features) within my Microsoft Developer Program tenant, then transfer that somehow to a client's tenant?

I would ordinarily just develop the solution on my client's tenant but, whilst I am their Global Administrator, I don't have a Microsoft 365 license on their tenant so can't access the usual Microsoft Bookings website (https://outlook.office.com/bookings). I've managed to create the mailbox, added staff and configured permissions using PowerShell but I've not found any cmdlets for configuring the services, notifications etc.

Of course I could ask them to buy me a license, but I have this developer tenant with a Microsoft 365 E5 Developer license, figured I should be able to develop the solution in there then 'copy/paste' it somewhere else. I don't need to use the solution, just create it.

Is this possible?

All help and advice appreciated.

David.