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| Bidder | Amount | Date |
|---|---|---|
| D****p 19 | USD 81.50 | 02/21/2026 22:10:05 |
| s****e 21 | USD 76.50 | 02/21/2026 22:10:05 |
| s****e 21 | USD 70.00 | 02/21/2026 21:45:31 |
| D****p 19 | USD 65.00 | 02/21/2026 21:45:31 |
| D****p 19 | USD 56.23 | 02/21/2026 11:57:20 |
| p****2 0 | USD 51.23 | 02/21/2026 11:57:20 |
| p****2 0 | USD 37.00 | 02/18/2026 07:08:25 |
| d****c 1 | USD 35.00 | 02/18/2026 07:08:25 |
| d****c 1 | USD 25.32 | 02/18/2026 07:07:59 |
| p****2 0 | USD 23.32 | 02/18/2026 07:07:59 |
| d****c 1 | USD 16.00 | 02/18/2026 05:24:00 |
| P****e 77 | USD 15.00 | 02/18/2026 05:24:00 |
| d****c 1 | USD 13.34 | 02/17/2026 07:05:09 |
| p****2 0 | USD 12.34 | 02/17/2026 07:05:09 |
| d****c 1 | USD 1.00 | 02/15/2026 12:29:19 |
This is an impossible object! The puzzle is to decipher how it was made and how it functions.
The Monkeys Nuts is Two Brass Monkeys' take on Scott Eliott's "Its Nuts" design. Originally only available in 3D print by Scott, our version is a beautifully crafted solid brass bolt with two nuts threaded on it. But all is not as it seems! A fine piece of mechanical engineering makes this bolt very, very special.
To remove one nut turn it clockwise. To remove the other, turn it counterclockwise. If you hold the two nuts and rotate the bolt they each move in different directions...this is seemingly impossible, as the bolt has the same thread along its length.
Milled from solid stock and measuring nearly 3" x 1", the entire assembly weighs a whopping 16 ounces. This object is large and very well made.
Note: This copy has been solved and is in used condition. Noticeable patina is visible, there is a small ding on one of the bolts. Original packaging is not included.
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For multiple items, combined shipping is available. Simply message me once you are finished bidding and I will send an invoice.
These puzzles are extras and oddballs that have accumulated in the shop. Sometimes when we make a run of puzzles we will have a few with different woods, etc. which are too much trouble to list individually on the website. These puzzles are all fully functional.