Hi Zippy and welcome!
The Grundig RR3000 is actually quite nice (and elegant) for a box a bit smaller than a Panasonic 5100 (if that reference means anything). The sound is outstanding, with separate bass and treble controls, and the unit is feature-packed (heavy, too), with six pre-sets for FM, dial light, tuning/battery meter, ambient sound ("Super Stereo"), solenoid-control cassette deck, and muilti-voltage. As you can see from the photos, it uses six D-size batteries, and there's a small storage compartment for (I'm guessing) an earplug.
I've had mine for a long time, so I have no idea anymore what I paid for it (probably too much), but €40 seems a bit low to me for a Grundig of this quality. I'm not surprised that €40 wasn't enough to win it. But if that's your money limit, don't worry. I'm sure you'll find a oodles of boxes in that range on eBay.