Recently, I bought a large LEGO collection in which, during the sorting, I found some pieces I'm completely unable to identify. Moreover, seeing some of them I doubt if they are LEGO at all (could be parts of an assembly though).

Here is a photo of the unidentified pieces:

enter image description here

I hope you can recognize them, please let me know if more photos would be necessary.

Higher resolution photos of #2 with the cup for scale (I really doubt it is a LEGO item but it might be a part of a motor or something):

enter image description here

  • Can we use a 1x1 brick for comparison? I have no cups in my collection. Commented Sep 10, 2018 at 14:56
  • 11 is a plastic ring with a single threaded hole on one side.
    – BalazsToth
    Commented Sep 10, 2018 at 15:25

3 Answers 3


1 is a pin used to hold train track pieces together during shipping. It can be discarded but some people find uses for it since it fits in a. minifig's hands.

Many of the others are official Lego as can be seen by the brand name printed on them. On the large pieces you should be able to see an ID number printed underneath which will help you out. I'll work through identifying some of the others.

3: Bionicle Gear 8 Tooth with Rhotuka Spinner Rod 2.5L

4: Appendage Spiky / Bionicle Spine / Seaweed / Plant Vine

5: Modified 2x2 Racing Driver, no head

6: Bar 1L with Top Stud and 2 Side Studs (credit to Victorious Victini)

7: Train Coupling New

8: Bionicle 2x3 Axle Connector with Tooth

9: Hinge Brick 1 x 2 Locking with 1 Finger Top

12: Leg Skeleton with Black Square Foot

13: Bar 1 x 8 with Brick 1 x 2 Curved Top End (most likely this newer version, but there are some older ones as well) (credit to Victorious Victini)

14: Fairing, 1x2 Stepped with Two Pins

15: Batwing

16: Modified 1x4 with Angled Tubes

17: Not Lego

18: Fire hose nozzle

19: Bionicle Weapon Cordak Ammo

20: Road Sign Clip-on 2 x 2 Square with Curved Blue Lines and Small Black Squares Pattern

21: Bat-a-rang

22: LEGO Minifig, Weapon Bladed Claw (mostly from Wolverine)

23: Horn Large

24: Minifig, Utensil Space Scanner Tool. (credit to Rin Rio-Oki)

  • 1
    #17 which is listed as "Not Lego" looks awfully close to the color scheme used for several flame parts, though I can't find any shape matches and they're generally red on the bottom. Is it known to be a specific kind of non-LEGO piece?
    – Kevin Reid
    Commented Sep 12, 2018 at 0:52
  • 1
    I am pretty sure I threw out a few of those from my last bulk purchase because they had space for a Lego logo but did not have one, so I assumed they were off brand.
    – Craig
    Commented Sep 12, 2018 at 1:42
  • I'm fairly sure #17 is from Mega Bloks, in at the very least the Dragons sets. There is a smallish one shown (not the big ones at the top, closer to the middle) in <dragonsuniverse.fandom.com/wiki/Yulmar?file=Yul_b4.JPG>.
    – RSchulz
    Commented Dec 13, 2020 at 20:58

I found a few more:

6: Ø3.2 Shaft With Cored Knob

13: Brick With Shaft 1X8X1

  • Thanks for adding those, I've added them into Craig's answer so that we can have a single definitive accepted answer :) Commented Sep 10, 2018 at 12:28

A Few More:

02: LegoTechnic Driving Ring Extension.

24: Minifig, Utensil Space Scanner Tool.

  • The 24th is a match, but the second one's not. I'll upload a closer photo soon.
    – BalazsToth
    Commented Sep 10, 2018 at 14:35
  • Agreed: Mine looks too big. Could the OP post more pics with the pieces pushed over, so we can get a sense of depth? Commented Sep 10, 2018 at 14:46
  • Thanks for finding that Rin Rio-Oki, I've added 24 to Craig's answer to help towards a single definitive answer :) Commented Sep 10, 2018 at 15:04

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