If you could pay for some bonus materials that would be great too. Though I'd rather unlock them randomly from a kind of loot box system.
And how come I can't level up? I don't feel like I'm making any progress without an XP bar. Clearly this person does not understand game design.
Not everything needs to be a fully developed game. Sometimes people make things for gasp the fun of it and not to build a comprehensive game that will appeal to everyone and their demanding cousins.
It also needs swag: cute little square plushie stuffed animals for each type of element.