Vikingbox Invisible version by Constantin

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AUD $104.55USD $

Stock Update 11th March 2021:  The small amount of stock we had is now sold out. We’ve ordered more but I don’t have any information about when the next shipment of Jean Claude Constantin puzzles will arrive. I’ll keep this page updated as information comes to hand.

A very difficult puzzle box by Jean Claude Constantin. Turn it over and you can see everything inside the box because the bottom is clear acrylic.  So why is this called the Invisible version?  Read on below…

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Description

The key to opening the Viking Box is the integrated maze on the top of the box. You might think that’s giving some hint away but I can assure you it’s not. The complex array of turning gear wheels, interacting with linear moving bars, levers and ball bearings makes for a very complex puzzle to solve.

This is the INVISIBLE version of the box. With both versions of the Viking Box you can still see everything inside the box because of the clear acrylic bottom plate. Invisible refers to the fact that Jean-Claude has made some parts of the mechanism of the Viking Box invisible which makes the solving of the box so much more difficult. This one is not for a beginner!

The mechanism is the same as the VISIBLE version of the Viking Box also sold here, which has a difficulty rating of 7/10 compared to this Invisible version rated 9/10 on the Mr Puzzle scale of 1 to 10.  Read more about how we judge difficulty ratings for puzzles here.
We think that being able to see the mechanism makes significant a difference when solving this puzzle; when the mechanism is invisible you’re solving almost by instinct.

The puzzle is made of laser-cut wood with stainless steel hardware.  Jean-Claude has developed a very interesting way of making the body of the box from a single piece of wood using a laser-cut lattice pattern at the corners that are not only very decorative but an ingenious way of allowing the sides to bend to form a square or rectangular shape.
Size: 172mm x 110mm x 50mm  Space Inside: 155mm x 90mm x 25mm but you need to also consider the opening is restricted to 150mm x 40mm
No solution is provided for this puzzle but you can see the solution to the VISIBLE version on YouTube. I’ve included the address on a small information sticker with the puzzle and this should help you if you get really stuck to solve this Invisible version.

The puzzle is made by Jean Claude Constantin. If you’re familiar with his puzzles you won’t even need to be told that. Despite the diversity of puzzles that Jean-Claude makes (in fact it’s hard to think of another puzzle maker who makes such a wide range of different types and designs anywhere in the world) his Euro styling and artistic talent always show through so that the finished product is not only well made but elegant but well thought out. Unmistakeably Constantin!

Additional information

Weight 0.360 kg
Dimensions 18 × 12 × 6 cm
Designer

Manufacturer

Difficulty Level

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