Does this have any Replayability? Or once you solve it can you always solve it in just a few minutes?

I would say it depends on how good your memory is. For me, once solved, mix it back up and let sit for how ever long you would not remember what it took to solve it.

What happens when you solve it? Does it lock? Does something detach?

A great euphoria washes over you. 😐

The description says "material: plastic" then later in the description says "solid wood puzzle". Which is it?

I bought two and both were wooden. If the pic shows wood and you do not get a wooden puzzle, then return it but make sure it says returnable.

Is there a hidden compartment in this to put money or something in? I want to get something for Christmas for my kids. But if there isn't a prize at.

No and hopefully your kids are at least teenagers because this is not an easy puzzle. Still working on mine! There is one or more of these puzzles with a hidden box. I think it might be Pandora or Emperors chest.....

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Project Genius Grecian Computer Mechanical Math Puzzle, Wooden Brainteaser Gift for History Buffs and Smart Kids, Teens, and Adults - True Genius Series Inspired by The Ancient Antikythera Mechanism

Project Genius Grecian Computer Mechanical Math Puzzle, Wooden Brainteaser Gift for History Buffs and Smart Kids, Teens, and Adults - True Genius Series Inspired by The Ancient Antikythera Mechanism

Product ID: 186751461

📏Compact 6.5x6.9 inch size

🧠5-star difficulty challenge

⚙️Layered wooden gears

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€ 34.83

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Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧩 Unlock Ancient Genius — Spin Your Way to Mental Mastery!

ELEGANT DESK DISPLAY - Laser-cut wood design doubles as a sophisticated conversation piece for your workspace or bookshelf.
ETHICAL CRAFTSMANSHIP - Woman-owned brand supporting young adults with autism, combining social impact with quality.
BRAIN BOOSTING CHALLENGE - Rated 5/5 for difficulty, perfect for sharpening visualization and problem-solving skills.
PRECISION GEAR MECHANICS - Spin interlocking wooden gears to align columns summing to 42 — a tactile math workout.
INSPIRED BY ANCIENT GENIUS - Modeled after the Antikythera Mechanism, blending STEM history with modern mental fitness.

The Grecian Computer Mechanical Math Puzzle is a compact, laser-cut wooden brainteaser inspired by the ancient Antikythera Mechanism. Designed for intermediate solvers, it challenges users to align layered gears so each radiating column sums to 42 simultaneously. Rated 5 stars for difficulty, it doubles as an elegant desk display and makes a perfect gift for STEM enthusiasts, engineers, and history buffs. Crafted by Project Genius, a woman-owned U.S. company committed to social impact, this puzzle blends historical inspiration with modern mental fitness.

Specifications

ASIN	B08469GT8K
Additional Features	Portable
Age Range Description	Kid
Best Sellers Rank	#49,933 in Toys & Games ( See Top 100 in Toys & Games ) #76 in Assembly & Disentanglement Puzzles
Brand Name	Project Genius
Color	Multi
Customer Reviews	4.4 4.4 out of 5 stars (605)
Educational Objective	Observation Skill
Global Trade Identification Number	00850013539093
Included Components	puzzle
Is Assembly Required	No
Item Dimensions	6.5 x 6.93 x 2.36 inches
Item Dimensions L x W	24"L x 17"W
Item Shape	Round
Item Type Name	puzzle
Manufacturer	Project Genius
Manufacturer Maximum Age (MONTHS)	1200.0
Manufacturer Minimum Age (MONTHS)	96.0
Manufacturer Part Number	TG406
Manufacturer Warranty Description	No Warranty
Material Type	Wood
Model Number	TG406
Number of Items	1
Number of Pieces	1
Operation Mode	Manual
Play Activity Location	Tabletop
Puzzle Type	Disentanglement
Size	Small
Skill Level	Intermediate
Subject Character	Rome
Theme	STEM
UPC	850013539093
Unit Count	1.0 Count

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