OK, I know they aren't trainers, but they are adidas keyrings depicting the Manchester and Dublin from the City Series - available on eBay for not much money 😀
Women's Jewellery | Depop
TOY2 QEE adidas Adicolor Key Chain Yellow - US
adidas originals - nmd key chain
adidas x Gucci men's Gazelle sneaker in metallic gold leather | GUCCI® US
Adidas Keychain Lanyards - Multiple Color Options | eBay