Find all sorts of oddities at eSurplus.com, an online military surpluss store. The store is part of the UK's Disposal Service Agency, an executive agency of the Military of Defence.
For example, you can buy a personal Foetal Heart Monitor, described as follows, "Detector bloodflow - foetal heart monitor - used - complete with case"
You might want to see what's safe before you use it on your baby, but there may be some unique finds at this store...
Personal Foetal Heart Monitor
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Fresh Artisanal Ginger Sodas
Portable Outdoor Rocking Chairs
Feather-Light Watch Campaigns
Pedestrian-Protecting Autonomous Vehicles
Pill-Holding Water Bottles