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

Product ID: 186751461

🌿Premium laser-cut wood

🧠5-star difficulty brainteaser

⚙️Layered mechanical gears

5901 kr

Duties & taxes included

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Unlock Ancient Genius, One Spin at a Time

ELEGANT DESK DISPLAY - Crafted from laser-cut wood, it doubles as a sophisticated décor piece that sparks conversation and curiosity.
GIFT SMART GIFT BOLD - Perfect for engineers, coders, and puzzle lovers—give the gift that screams intellect and style.
TOP TIER BRAIN WORKOUT - Rated 5/5 for difficulty, this puzzle sharpens visualization and problem-solving skills for relentless thinkers.
MASTER THE 42 CHALLENGE - Spin intricate gears until every column sums to 42—test your mental agility like a true genius.
INSPIRED BY ANCIENT INNOVATION - Modeled after the legendary Antikythera Mechanism, it connects you to history’s greatest minds.

The Project Genius Grecian Computer is a premium wooden mechanical math puzzle inspired by the ancient Antikythera Mechanism. Designed for ages 8 and up, it challenges users to align layered gears so each column sums to 42 simultaneously. Rated 5 stars for difficulty, it enhances visualization and problem-solving skills while serving as an elegant desk display. Ideal for STEM enthusiasts, engineers, and anyone craving a sophisticated mental challenge.

Specifications

ASIN	B08469GT8K
Additional Features	Portable
Age Range Description	All Ages
Best Sellers Rank	#30,683 in Toys & Games ( See Top 100 in Toys & Games ) #51 in Assembly & Disentanglement Puzzles
Brand Name	Project Genius
Color	Multi
Customer Package Type	FFP
Customer Reviews	4.5 4.5 out of 5 stars (617)
Educational Objective	Observation Skill
Global Trade Identification Number	00850013539093
Included Components	puzzle
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 Part Number	TG406
Manufacturer Warranty Description	No Warranty
Manufacturer recommended age	8 years and up
Material Type	Wood
Model Number	TG406
Number of Items	1
Number of Packs	1
Number of Pieces	1
Number of Players	1
Operation Mode	Manual
Play Activity Location	Tabletop
Product Style	Classic
Puzzle Type	Disentanglement
Set Name	True Genius Series
Size	Small
Skill Level	Intermediate
Subject Character	Rome
Theme	STEM
UPC	850013539093
Unit Count	1 Count

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