01 1 Platypus Egg! Open the egg. Colour pencils, pins, electronics. Copyright 2009 IPP Design Competition All rights reserved. Puzzle Goal: Materials:

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1 01 1 Platypus Egg! Puzzle Goal: Materials: Open the egg. Colour pencils, pins, electronics Classification: Trick opening (Slocum 2.1)

2 01 1 Platypus Egg! Puzzle Solution:

3 02 3 Identical Piece Burr ON Puzzle Goal: Materials: Classification: Assemble the 3-piece burr. Wood Interlocking

4 02 3 Identical Piece Burr ON Puzzle Solution: A B C

5 03 4 Piece Burr in Frame Puzzle Goal: Materials: Classification: Assemble all four pieces into the frame so that none of them stick out. Wood Interlocking

6 03 4 Piece Burr in Frame Puzzle Solution: A B C D

7 04 4x2 Puzzle Goal: Fold (roll over) and rotate the mechanism to find at least eight different English letters and 10 different mathematical symbols. Materials: Classification: Wood, thread Sequential movement, folding

8 04 4x2 Puzzle Solution:

9 05 4x6 Puzzle Goal: Materials: Classification: Notes: Assemble the twenty-four elements (four types, six pieces each) into the interlocking structure shown in the picture. Wood Interlocking The design was found while examining the possibilities of using interlocking puzzles in the field of industrial design and architecture. The goal was to find an interlocking structure, that is not too complex and difficult to produce. Furniture and houses were the main objects of interest. Probably the task was just the opposite of the one of puzzle design, but the result can be interesting even taken out of its practical application as abstract structure.

10 05 4x6 Puzzle Solution: All elements lie on the four faces of a tetrahedron. Each face contains six elements three long pieces (A and C) and three short (B and D). The combinations are: (2xA, 2xD, 1xB, 1x C) and (2xB, 2xC, 1xA, 1xD) It is important to hold the already assembled elements in not fully assembled position, in order the next element to be added.

11 06 5 Floor Pyramid Puzzle Goal: Materials: Classification: 1-Construct a 5-level, square-based pyramid. 2-Write a relief ipp with the same pieces. Plastic cubes Put-together

12 06 5 Floor Pyramid Puzzle Solution: Figures to construct using all the pieces:

13 07 5-Minute Puzzle That Might Take Longer Puzzle Goal: Materials: Classification: Notes: Using the six pieces, make a cube. All pegs and holes should be hidden somewhere inside. Wood blocks, wood pegs Put-together Most pieces appear to switch parity.

14 07 5-Minute Puzzle That Might Take Longer Puzzle Solution: Place pieces #2 and #6 Place piece #3 Place piece #4 Place piece #1 Then place piece #5(to complete the cube Additional figure to build: tall corner broken wall two books park bench I

15 08 6 Board Burr #3 Puzzle Goal: Materials: Classification: Assemble and disassemble the board burr. Chestnut and padauk 3.4 Burr puzzles

16 08 6 Board Burr #3 Puzzle Solution:

17 09 Agincourt Puzzle Goal: Materials: Classification: Make squares with all arrows pointing the same direction. For a harder challenge, make an 8 8 square (again with all arrows pointing the same direction) where none of the 2 and 3 square pieces are adjacent to either each other or the perimeter of the square. (These pieces may touch at a point but not along an edge.) Acrylic Two-dimensional assembly

18 09 Agincourt Puzzle Solution:

19 10 Aquadron Puzzle Goal: Materials: Classification: Use the gravitational property of the water to move/rotate the pyramids, and to connect the tentacles to the head of the jellyfish. Polycarbonate spheres, ABS pyramids, water Sequential movement

20 10 Aquadron Puzzle Solution: To rotate a piece by 90 degrees, shift the position of the jellyfish body by one place and reconnect the tentacles. To rotate a piece by 180- degrees, look under the puzzle (where the empty space is), and use the follow sequence:

21 11 Ark of the Covenant Puzzle Goal: Materials: Classification: Manipulate the moving pieces to open the box. Walnut with 24K gold gilding 2.1. Take-apart

22 11 Ark of the Covenant Puzzle Solution: The box has 12 moving pieces which lock and unlock the box in three places. There are 10 tablets around the puzzle box with Hebrew numbers from one to ten and two angels on the top of the box. The voice recorder can be reprogrammed in the following way. Place the lock-unlock switch in the unlock position. The box is shipped with the switch in the locked position. Next press and hold down the RED record button. You will have 10 seconds to record your message. When you have finished recording your message, release the red button. Place the lock-unlock switch back to the lock position.

23 12 BalloonBoggler Puzzle Goal: Materials: Classification: Notes: Arrange any number of pieces so that there are no concave outer edges on any one piece (the outer edge should always be nicely rounded). Alder wood or birch plywood 2D put-together This is a particularly unusual polyform puzzle in that there is no regular grid pattern for the puzzle. Because the pieces might be closer or farther apart, depending on the size of the "bite" that separates them, the grid of center points underlying each solution is irregular.

24 12 BalloonBoggler Puzzle Solution: Sample arrangements of all sizes:

25 13 Barb's Cube Puzzle Goal: Materials: Classification: Take apart and reassemble seven checkered pieces. Holly, wenge, bloodwood, and padauk Interlocking

26 13 Barb's Cube Puzzle Solution:

27 14 Black Leaves Puzzle Goal: Materials: Classification: Overlap the two pieces so that no worm cannot be seen. You may bend the pieces slightly without folding. polyvinyl chloride board and adhesive sheet Interlocking solid (3.6); interlocking (INT-OTH)

28 14 Black Leaves Puzzle Solution:

29 15 Blackbeard's Revenge Puzzle Goal: Materials: Classification: Remove the knife from the guard. Maple, cherry, hemlock Trick-opening

30 15 Blackbeard's Revenge Puzzle Solution: Place the knife horizontal and the blade down (as you would normally use a knife for cutting). Hold on to the Guard and strike it downward on your hand (the angle of the guard makes this more difficult). This allows a pin to drop. Take the knife and hold it by the handle with the point of the knife pointing up. Spin the puzzle while you hold it in your hand. This might take several tries as you need a good spin and a flat surface that your hand provides. Pull the knife downward, this will release the knife.

31 16 Bolaris Domino Puzzle Goal: Materials: Classification: Slide the tiles to form a continuous chain of dominoes over and aroud the ball, matching the point value (1-4) with the adjacent tiles. Strong and impact-resistant injection moulded ABS-plastics Sequential movement

32 16 Bolaris Domino Puzzle Solution:

33 17 Bolaris Globe Puzzle Goal: Materials: Classification: Scramble and restore the image. Strong and impact-resistant injection moulded ABS-plastics. The Earth image is printed on the ABSplastic parts using special UV-inkjet printer. Sequential movement

34 17 Bolaris Globe Puzzle Solution:

35 18 Bolaris Grey Puzzle Goal: Materials: Classification: Scramble and restore the gray-scale shift of colors. Strong and impact-resistant injection moulded ABS-plastics Sequential movement

36 18 Bolaris Grey Puzzle Solution:

37 19 Case Closed Puzzle Goal: Materials: Classification: Assemble to fit fully into the box. Oak dowels and birch plywood Interlocking solid

38 19 Case Closed Puzzle Solution:

39 20 ChooChooLoops Puzzle Goal: Connect path segments to form loops and patterns. Booklet includes 18 separate main goals and many variations, plus 2 games. Selected goals: 1. Place the ring anywhere, then fit the remaining pieces 3. Connect all the quds into a continuous path 13. Fill the tray, making everything (shapes and colors) symmetrical 14. Form as many separate closed loops as possible 14. Surround five islands with a single closed loop, then fill the tray around it. The starting figures are equivalent to the 12 pentominoes. Materials: Classification: Laser-cut acrylic Put-together

40 20 ChooChooLoops Puzzle Solution: Starting figures for puzzle 15, not necessarily in the positions shown.