If really stuck, seek advice from your local Citizen's Advice or Trading Standards Officer. If all else fails take them to the small claims court or seek publicity in Local or national newspaper.
If the pram is not delivered or the money returned that is theft on the part of TKMaxx. As others say, describe your plight on social media.
I found this website that will help you resolve your problem. www.resolver.co.uk/companies/tk-maxx-complaints/contact-details
Army horses loose on London streets
Angela Rayner lashes out and calls Sunak “pint sized loser”.
4 Years On…..Health-wise, Has Anything Changed?
Well Labour’s “patriotism” didn’t last very long, did it? 🇬🇧