If you were disappointed with the C64 Mini then a full sized working Keyboard version is coming at the end of the year. I also believe you can program on it as well.
https://gizmodo.com/a-commodore-64-c...ill-1835836875
https://www.pocket-lint.com/games/ne...4-by-christmas
Pre-Order: £110
https://www.game.co.uk/en/the-new-c64-2630256