Just received it in the mail, sounds like a rattle or something has come loose inside?

No it will make a rattling sound because that's part of the puzzle. Mine sounds the same way but it's perfectly fine. Just don't bang it against things thinking it's got something stuck!

Is this harder than the nutcase

Much harder. I had nutcase apart and back together in 10 minutes. I still haven’t put quartet back together. I set it aside for the last long while because I got frustrated with it.

Does the solution to Nutcase involve a cross-threaded nut? I need to know if I am breaking my puzzle and need to get it back.

There's no cross threading of either nut

Bepuzzled Hourglass Hanayama Metal Brainteaser Puzzle Mensa Rated Level 6

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16208CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳ Unlock your mind’s next level with the ultimate Mensa-rated metal puzzle!

SLEEK PORTABLE DESIGN - Compact and lightweight, perfect for your desk or on-the-go brain training sessions.
ELITE MENSA LEVEL BRAIN WORKOUT - Push your cognitive limits with a Mensa-rated difficulty level 6 puzzle designed for serious mental athletes.
INCLUSIVE CHALLENGE FOR AGES 12 - A versatile brainteaser that bridges generations, ideal for millennials and beyond seeking smart entertainment.
CONVERSATION STARTING COLLECTIBLE - Elevate your workspace aesthetics with a visually striking puzzle that doubles as a sophisticated décor piece.
PRECISION CRAFTED METAL MASTERPIECE - Experience the satisfying weight and durability of high-quality cast metal, built to last and impress.

The BePuzzled Hourglass Hanayama Metal Brainteaser is a premium, Mensa-rated level 6 cast metal puzzle designed for ages 12 and up. Measuring a compact 4.75" x 3" x 1.75", it offers a challenging yet elegant mental workout with a durable, high-quality finish. Perfect for collectors and professionals alike, it combines sophisticated design with portable entertainment that sharpens dexterity and problem-solving skills.

Specifications

ASIN	B07MX21263
Additional Features	3D
Age Range Description	12 and Up
Best Sellers Rank	#4,698 in Toys & Games ( See Top 100 in Toys & Games ) #9 in Assembly & Disentanglement Puzzles
Brand Name	Bepuzzled
Color	Multi-colored
Customer Package Type	Standard Packaging
Customer Reviews	4.7 4.7 out of 5 stars (10,557)
Educational Objective	Dexterity
Global Trade Identification Number	00023332307708
Included Components	1 Puzzle
Item Dimensions	1.75 x 3 x 4.75 inches
Item Dimensions L x W	4.75"L x 3"W
Item Shape	Asymetrical
Item Type Name	Hanayama
Manufacturer	BePuzzled
Manufacturer Part Number	30770
Manufacturer Warranty Description	1 Year Warranty Against Manufacturer Defects
Manufacturer recommended age	12 years and up
Material Type	Metal
Material Type Free	Phthalate Free, Bisphenol-A (BPA) Free, Lead Free
Model Number	30770
Number of Items	1
Number of Pieces	1
Number of Players	For 1 to 1 players
Operation Mode	manual
Play Activity Location	Tabletop
Product Style	Hourglass
Puzzle Type	Disentanglement
Set Name	Hourglass
Size	One Size
Skill Level	Intermediate
Sub Brand	Hanayama
Subject Character	Various
Theme	Puzzles
UPC	023332307708
Unit Count	1 Count

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