We've all heard (and probably experienced) the long-running joke that stepping on a Lego is the absolute worst.

People have determined this is due to the bricks' high compressive strength, small size, and sometimes sharp edges.

As far as edges are concerned, consider a standard 2x2 brick:
Brick, Red, 2x2
While the 6 faces are fairly harmless, if the brick were somehow angled such that a person put all their weight on an edge, or (god forbid) one of the 8 corners, it would really hurt.

So the question is: What Lego part, or assembly of Lego parts, would maximize both
(a) small size, and
(b) sharp edges/points pointed upwards when laying on the ground?

I think this one would be in the top 5:

enter image description here

  • I was about to post this one as well. I can't think of any other single piece with such harmful potential. – Aziraphale Aug 31 at 12:00
  • The LEGO equivalent of a caltrop – Ambo100 Sep 5 at 12:17

The 1x1 brick is both small enough to mean that you get edges no matter which way up it is, and has all the sharp edges and corners of the 2x2 brick, just packed into a smaller, more evil form.

That naturally leads to the headlight block, which has all the same features, but, if you are unfortunate, can also attack with the lip on the bottom.

Evil brick

I nominate this little bugger:

LEGO Pteranodon 30478

Got it in a bulk lot, and oh boy is it painful to walk on. it rests flat on the ground thanks to the wings, and the crest is a nice touch for delicate underfoot.

enter image description here

This assembly of pieces will not tickle, so let's dive in:

  • First, the teeth are placed in reverse of each other so the foot and all that weight is forced to rock on the two little pointed tips.
  • Second, the white circular base is wide enough to minimize rolling of the piece as experienced with a 2x2 brick, where the weight of a person would force the piece to roll instead of piercing foot flesh. A wider surface area gives less relief of potential pain.
  • Finally, a few 1x2 tile pieces to lock the teeth in place. Without them the weight and force of a foot fall would dislodge the tooth from the base.

Chain a few of these together and Vwah-LAH!... I hereby dub thee the "Human Spike Strip". -Rin

I think this single bevel gear would probably hurt a lot:

Id 3650: LEGO Technic Gear 24 tooth crown with reinforcements

  • While that looks super spiky there are enough points that it can spread the load – Craig Aug 27 at 2:48
  • As I remember it, there are not many sharp edges on those. – Henrik Aug 28 at 10:51

no the lego ax and the lego spear from the medieval sets, clipped onto the side holster of the saddle on the lego horse. Oh, and the lego horse's head is pointed up and its mouth is open and it's bitting...yeah just bitting at the air above its head at random intervals with a taste for human flesh of the barefoot variety.

PS. Megablox are sharper

The little swords from the medieval-themed sets such as this one:

a minifig sword

  • 1
    Only harmful if somehow pointing straight up; unlikely unless stuck in a crevice in the flooring which is even more unlikely! – Mark Stewart Aug 27 at 17:44

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