Fwiw I don't think it's even possible to order anything from them at the moment. I can't figure out how to (but also have heard other stories of late or non-delivery). Seems like a cool product until you realise it doesn't exist.
I sent several mails and got no reply.
The email address <ahoyahoy@nextthing.co> is now bouncing mails: "Recipient address rejected: User unknown".