Diabolical cube seven and nine pieces respectively. However, writes that the diabolical cube appears to be the oldest puzzle of this type, first appearing in an 1893 book "Puzzles Old and New" by Professor Hoffmann (Angelo Lewis). Because all of the pieces have only a single layer of cubes, their shape is unchanged by a mirror reflection, so a mirror reflection of a solution produces either the same solution or another valid solution. The puzzle has 13 different solutions, if mirrored pairs of solutions are not counted as being distinct from each other. Diabolical cube The diabolical cube is a three-dimensional dissection
Bedlam cube Bedlam cube during the second series. They offered £100,000 for a 15% share of equity in Bedlam Puzzles. Danny Bamping (the entrepreneur behind Bedlam cube) finally chose a bank loan instead of their investment, as seen in the relevant "Where Are They Now" episode of "Dragons' Den". According to "Guinness World Records", the official world record for assembling the Bedlam Cube is 11.03 seconds by Danny Bamping on 9 November 2006. The blindfolded record is 27.21 seconds by Aleksandr Iljasov on 25 February 2008. Bedlam cube The Bedlam cube is a solid dissection puzzle invented by British puzzle expert Bruce