You can only buy the shockboxes from the US (southtown homebrew) theres a dude on ebay (from spain IIRC) selling repro MVS kit boxes that ive used for my carts with art.
https://www.ebay.co.uk/itm/5X-BOXES-CARTON-NEO-GEO-MVS-BOX-CARDBOARD-BOXES/323110820048?hash=item4b3ae7d8d0:g:kzQAAOSw7U5ZALB6:rk:27

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Also this type on ebay:
https://www.ebay.co.uk/itm/NEO-GEO-neominibox-10-BOXES-for-MVS-white-design-box-AES-Jamma-no-shockbox/254019280081?hash=item3b24ba9cd1:g:X40AAOSwbAtZxhza:rk:1

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I also bought a knackered 161 cart from ali express a while back. managed to get a refund after a bit of a fight and decided not to bother buying another.
mx5dob2018-12-13 13:50:01