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This interlocking Burr wooden Puzzle consists of twelve identical notched rods.

Once the pieces are disassembled you will see why it is called Devil's Friend. It is a very difficult puzzle requiring advanced burr puzzle solving methods. The puzzle was created in 1890 by the Austrian-German William Altekruse who even registered a US Patent (#430502).

This puzzle is not quite symmetrical visually because the asymmetrical notches arrangement reveal themselves. Disassemble and reassemble the wooden pieces into a cube and various 3D shapes.

Dimension Large = 8x8x8 cm

Difficulty Level: 3 of 5.


Barcode # 884495459594
Brand Mango Trees
Shipping Weight 0.2300kg
Shipping Width 0.100m
Shipping Height 0.100m
Shipping Length 0.100m
Shipping Cubic 0.001000000m3
Unit Of Measure ea
Assembled Length 0.080m
Assembled Height 0.080m
Assembled Width 0.080m