7

It looks like a Wheel Arch (mudguard) piece, #50745


6

This is the KRE-O 10162, which first appeared in a blue version from the early version of KRE-O Transformers Optimus Prime Dino Hauler, working as a ball for the midsection of the truck. Sadly, this has later been altered to be black. White and gray versions can be found below: USS Missouri: https://www.hasbro.com/common/documents/...


6

This is Wheel Hard Plastic with Small Cleats and Flanges (64712). This element in Olive Green color was part of a single set. While Black colored one was included in 18 sets.


5

As far as I can tell, each arch half is made out of: 40379 Dinosaur tail end section 28870 Plant stem curved 4733 Brick 1x1 with studs in four sides 15208 Plate 1x2 with 3 teeth 49668 Plate 1x1 with tooth 37762 Cylinder 1x1.333 2x 43888 Brick 1x1x6 round with square base 35480 Plate 1x2 with round ends There might be a 25269 1x1 round tile, quarter between ...


1

This is one of Eastern Germany's (DDR) two brick systems (created by typical VEBs and I'd be suprised if you find those letters anywhere printed on the bricks): most likely Formo because of the simplicity of the backside and how basic all the bricks are - you should not be able to combine it with Lego bricks and these bricks are rather difficult to ...


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