Hi I came across these bricks. But I have no idea what they are. They are plastic as far as I can tell.

I hope someone knows a bit more

bricks with holes between the rows of studs

1 Answer 1


These are early IDEMA bricks. http://www.inverso.pt/legos/clones/texts/idema.htm

Photo from linked site:

enter image description here

  • 1
    The site mentions "The middle holes are a feature patented by Dehm to allow a string to be passed through aligned holes, to fasten bricks together"
    – RSchulz
    Jul 15, 2021 at 15:20

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