Here's one listing for various spare parts and replacements for Makie dolls.
Due to the nature of hand dying 3DP Makies and their parts, a bit of emailing might be required to try and best colour / size match to your requirements (i.e. back plate colour-matching or eye mechanism measuring or discrepancies in photos etc.).
If it's not listed, I don't have it I'm afraid (i.e. pink injection moulded head-caps)
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Everything in the dropdown menu without a price next to it is £2 (as listed). Other parts vary and are listed accordingly.