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: 309129163

Details

Brand
Project Genius
Number of pieces
1
Product dimensions
16.5L x 17.6W
Puzzle type
Theme
STEM

📏Compact 16.5x17.6x6 cm size

🧠5-star difficulty challenge

⚙️Layered wooden gears

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Description

⚙️ Unlock Ancient Genius, One Spin at a Time!

ELEGANT DESK DISPLAY - Laser-cut wood design doubles as a sophisticated décor piece, perfect for your office or bookshelf.
TOP TIER BRAIN WORKOUT - Rated 5/5 for difficulty, this puzzle sharpens visualization and problem-solving skills for relentless thinkers.
GIFT SMART GIFT UNIQUE - Ideal for engineers, coders, and puzzle lovers—give the gift that screams intellect and style.
MASTER THE 42 CHALLENGE - Spin intricate wooden 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, connect with history while challenging your mind.

The Project Genius Grecian Computer is a premium wooden mechanical math puzzle inspired by the ancient Antikythera Mechanism. Measuring 16.5 x 17.6 x 6 cm and weighing 190g, it challenges users to align layered gears so each column sums to 42 simultaneously. Rated 5 stars for difficulty, it’s designed for ages 8 and up, requiring no batteries or assembly. Perfect for mental fitness and elegant display, it’s a standout gift for professionals and puzzle enthusiasts alike.

Specifications

ASIN	B08469GT8K
Additional Features	Portable
Age Range Description	Kid
Best Sellers Rank	#135,417 in Toys ( See Top 100 in Toys ) #483 in Brain Teaser Puzzles
Brand Name	Project Genius
Color	Multi
Customer Package Type	FFP
Customer Reviews	4.5 4.5 out of 5 stars (600)
Educational Objective	Patience Skill
Global Trade Identification Number	00850013539093
Included Components	puzzle
Indoor Outdoor Usage	Indoor
Is Assembly Required	No
Item Dimensions	16.5 x 17.6 x 6 centimeters
Item Dimensions L x W	16.5L x 17.6W centimeters
Item Shape	Rectangular
Item Type Name	puzzle
Manufacturer	PAUL LAMOND GAMES
Manufacturer Part Number	TG406
Manufacturer Warranty Description	No Warranty
Manufacturer recommended age	0 - 2 years
Material Type	Wood
Material Type Free	Plastic Free
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
Power Source	Manual
Product Style	Classic
Puzzle Type	Disentanglement
Set Name	True Genius
Size	S
Skill Level	Expert
Sub Brand	True Genius
Subject Character	Rome
Supported Battery Types	No batteries required
Team Name	True Genius
Theme	STEM
UPC	850013539093
Unit Count	1.0 Count

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S/.216

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Peru.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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