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  • Eureka Brain Teaser - Cast Jigsaw Puzzle - Cast Duet difficulty 5 - (Cod. 473769)
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Eureka Brain Teaser - Cast Jigsaw Puzzle - Cast Duet difficulty 5 - (Cod. 473769)


Price: $10.50 & FREE Shipping
Only 4 left in stock.
Ships from and sold by Small But Sincere Gifts & Collectibles.
  • Approximate Dimension: 2 2/5" x 2 2/5" x 1"
  • Excellent Quality
  • Subjective Manufacturer Difficulty Level Rating [1-6]: 5
  • Metal Puzzle
14 new from $10.50

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Frequently Bought Together

Eureka Brain Teaser - Cast Jigsaw Puzzle - Cast Duet difficulty 5 - (Cod. 473769) + Hanayama Cast Metal Brainteaser Puzzles - Quartet Puzzle (Level 6) + Hanayama Cast Metal Brainteaser Puzzles - Labyrinth Puzzle (Level 5)
Price for all three: $34.48

These items are shipped from and sold by different sellers.

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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Details

  • Product Dimensions: 3 x 1.8 x 4.6 inches ; 4.2 ounces
  • Shipping Weight: 4.2 ounces (View shipping rates and policies)
  • ASIN: B000WGMTYW
  • Item model number: 5036
  • Manufacturer recommended age: 8 years and up
  • Amazon Best Sellers Rank: #273,216 in Toys & Games (See Top 100 in Toys & Games)
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (6 customer reviews)
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Product Description

Take the parts apart and put them back to their original shape, that is the objective of this great metal puzzle. A word from the designer: At first glance, it looks as if there is only one ring hanging from the grid but there are in fact two rings attached with a magnetic force. Can you separate them from the grid and return them to their original positions? After you conquer that, try to fit the two rings at the four-crossing points on the grid indicated by the numbers. The level of difficulty increases as players aim for crossings with higher numbers. Theme: Magnetism. An ambitious product by Oskar packed with multiple problems to be solved. Hanayama Co. 2005.

Customer Reviews

4.5 out of 5 stars
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Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Eric Henson on June 22, 2008
This is the most complex and entertaining "remove the ring" puzzle I've ever had the pleasure of solving. Just removing and replacing the ring requires a surprising number of steps, but there are even more challenges that this description doesn't mention.

Do you see the triangles stamped into the middle four crossed bars? Each of those is numbered with the difficulty, 1-4, of placing the ring diagonally across the gap each arrow is pointing at. These extra challenges are a delightful addition to an already fun, durable, and well-made puzzle.

I can't recommend this one enough for puzzle fans!
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4 of 4 people found the following review helpful By Stephen Touset on January 4, 2010
It's listed as difficulty five, but the Hanayama Vortex (also a 5) was much, much more difficult. Getting the rings off is essentially a simple task, and once the mechanics of the puzzle are understood, it only takes about 10-15 minutes to work the rings off. The Vortex took me and a friend several days to disassemble (and another to reassemble), and the total time to remove and replace the rings on the Duet the first time was about thirty minutes.

It's durable, and fun. But it's just not as difficult as the rating would lead you to believe.
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Dr. Oskar van Deventer,from the Netherlands was born in 1965 and started designing puzzles as young as 12 years old.He designs puzzles as a hobby and is a senior scientist working on network and answering control.He designed this puzzle and it was manufactured by Hanayama in 2006.Dr.van Deventer has designed hundreds of puzzles ,winning prizes Internationally.He has a very interesting Website showing many of his puzzles,it's well worth visiting.
The Cast Duet is one of the most difficult in the Hanayama collection.Hanayama gives it a Difficulty Rating of 5 of 6,PuzzleMaster rate it 9 of 10. Like all Hanmayama puzzles,it is of excellent quality,made of heavy cast metal,with polished gold and silver finishes.
There are grooves on every square and the rings.The ring can be split and has magnets to hold it together.The object is to
separate the ring and remove each half.
Also ,at each corner of the center ring ,there are 4 triangles with 1,2 3 or 4 dots.For further challenges get the ring to go through the 2 squares at the base of the triangles (center side,not corner squares).The challenge increases as you go from 1 dot through to 4 dots.This is a great puzzle as it can be played with over and over again.
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