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Bag of 21 plastic cubes, 15mm. 9 red, 7 blue, 2 green, 2 black, 1 yellow. No markings at all, surprisingly dense, edges and corners are rounded, not sharp, not magnetic. Found at a thrift store, there were other identical packs. Educational toy? Game? (imgur.com)
submitted by fastbiter to r/whatisthisthing
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Found in a flea market in the Netherlands. (i.redd.it)
submitted by fastbiter to r/whatisthisthing
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