The third picture is the x-wing from planet set #9677, but missing the wings.
@dwlorimer A lot of the loose parts appear to be from #4485.
^^ The "strange grey part" is a rubber band holder. IIRC rubber bands came on these, before they switched to the little white boxes.
Landing gear foot for a midi-scale Millennium Falcon, for instance.
What's this thing? It's part of an eBay listing with some minifigures, some animals, assorted wheels and tires, and a bunch of random accessories.
Looks like #8273 Off Road Truck to me
@D_Devil it's #76046 Heroes of Justice: Sky High Battle
Lego dimensions Ghostbusters story pack, 2016 version
It looks like you're new here. If you want to get involved, click one of these buttons!