According to the description on PuzzleMaster's webpage for this puzzle, "I came up with the idea for this puzzle when I was 19 years old. It just came to me during a stroll home in the snow; it's truly a creation of my youth. Unfortunately, saying anything here about its construction would give away how to solve it. I certainly can't disappoint the fans that have come to expect frustratingly difficult puzzles from me. Besides, the fans that refuse to accept any kind of hint are those who make me the happiest! The key word is 'needle'."

According to the description on PuzzleMaster's webpage for this puzzle, "Patented in America in 1965, this puzzle was orginally created by Joseph L. Litle. The idea to make this puzzle came to me after playing with a wooden copy built for me by my close, but now deceased friend, Tadao Muroi. The proportions have been changed considerably from the original plan in this new version. With this puzzle being styled after a violin and its strings, the word here is...'string'. "

According to the description on PuzzleMaster's webpage for this puzzle, "There's a whole world of wisdom wrapped up in this Oskar masterpiece. The three pieces can be separated and then joined again in their original form. What's special about this puzzle is that it can be solved three different ways, depending on which of the three pieces is chosen as the middle piece. Solving this puzzle requires an especially subtle kind of working of the pieces, the kind that often leaves the victim struggling in frustration. Keeping in mind its chainlike behaviour and using your feeling to your advantage is the best way to attack this. The key word is 'chain'. "

cast DOLCE

According to the description on PuzzleMaster's webpage for this puzzle, "Introducing a puzzle masterpiece by Akio Yamamoto. Similar in style to the key chain version. "Sweet", we have raised the bar with this one, both in difficulty and design. It is vital to line up the ridges and grooves of the two pieces, both in taking them apart and in putting them back together. Don't try to rush this one 0 take your time and enjoy the "Vita Dolce!"

cast KEYRING

According to the description on PuzzleMaster's webpage for this puzzle, "After completion of this puzzle by Dutch designer, Oskar, the words 'key' and 'ring' should be properly lined up with each other. This is vital. If you try to put the pieces back together without lining up the words correctly, you will have failed even after achieving what appears at first to be a successful matching. It should read 'Key Ring' even when upside down. The wording design is courtesy of the prodigy, Scott Kim. The key word is 'pair' "

cast BAROQ

According to the description on PuzzleMaster's webpage for this puzzle, " This Akio Yamamoto creation consists of two pieces fashioned after the image of intertwining Bach melodies. Following the dynamic build up is an inspirational finale when the two pieces elegantly release from each other. You may even want to choose a somewhat luxurious and relaxing ambience when attempting this puzzle. The key word is 'music' "

According to the description on PuzzleMaster's webpage for this puzzle, " This puzzle, utilizing equipment used in the sport of cricket, can be traced back to a puzzle patented in England back in 1898. The world's only remaining original version of this puzzle is part of the personal collection of my close British friend, James Dalgety. James was kind enough to lend his hand in the creation of a Cast Puzzle version. The key word is 'gates'. "

According to the description on PuzzleMaster's webpage for this puzzle, " At the end of the 19th century, Britain experienced a huge puzzle craze. I managed to pick a number of the puzzles famous during that period in flea markets, despite their rarity. Based on a puzzle that reappeared later in America, this is one that we have successfully revived in its new form. Keeping in mind the idea of intersecting the 'flags' should help in tackling this one. I only hope you enjoy the final 'release' as much as I do. "

cast DUET

According to the description on PuzzleMaster's webpage for this puzzle, " 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 crssings with higher numbers. Theme: Magnetism. An ambitious product by Oskar packed with multiple proglems to be solved. -Hanayama Co. 2005- "

cast RADIX

According to the description on PuzzleMaster's webpage for this puzzle, " The Radix is a puzzle known for both its monumental looks and somewhat organic styling and movements. The entire unit gives off an air of antique wisdom, with the pieces joined at the base in chaotic harmony. The name comes from the mathematical term, 'radical axis'; and also means root in Latin. The innovative concept that it is you might even be tempted to call it 'radical'. Whatever you call it, have fun. The key word here is 'sprout'. -Yamamoto 2003- "

cast DISK

According to the description on PuzzleMaster's webpage for this puzzle, " The World Puzzle Designers' Forum, held in August 2000 in Los Angeles was where I first met my close friend Oskar. This puzzle is based on a disc based puzzle that he showed me at that time. Battling it out with this puzzle is like putting your mind to the test against one of the world's sharpest minds in Oskar. The idea to keep in mind here is 'circle'. -NOB 2001- "

\/ click for larger pic \/
cast NUTCASE

According to the description on PuzzleMaster's webpage for this puzzle, " This is a brand new puzzle from Dutch puzzle maker Oskar van Deventer. The Nutcase has two meanings in this puzzle. 1. The case surrounding the nut. 2. The way you feel when you try to solve the puzzle. " This is in a limited edition box. The box is written in Japanese and some english. The description and other items in the box are written in Japanese. The difficulty level on this puzzle has not been classified yet."

I have personally done this puzzle, and it definitely deserves a rating of 10 (on a scale of 1 to 10 -- 10 being the most difficult).   Precision orientation is the key to solving this brainwarp .

    \/ click for larger pic \/
cast COASTER

According to the description on PuzzleMaster's webpage for this puzzle, " Serhiy Grabarchuk is a famous Ukrainian puzzle designer who lives in Uzhgorod. The puzzle depicted on the piece of drawing that he sent me looked like a strange adornment weaved into a "coiffure"design. If you put a glass carefully onto the completing puzzle, it becomes, indeed, a coaster. Using this when serving drinks to guests will no doubt create stimulating conversation. Theme: "Coiffure"."