The Design Competition Guide (same content: photos, instructions, and notes) will available here after judging is complete.

Angel Wheel

Goal: Take apart and remove the brass and steel balls

Materials: Bloodwood, jatoba, maple dowels, and metal balls
Classification: Slocum -2. take apart, 2.1 trick or secret opening

The Barn

Goal: Find the animal hidden into the barn

Materials: PLA, Wood PLA, PETG
Classification: Sequential Discovery

Bocca Della Verita

Goal: Pack the pieces into the restricted tray

Materials: Corian
Classification: 1.2 2D

BsSm

Goal: Insert and guide the two elements through the front and back mazes at the same time.

Materials: Woods (oak, walnut, acacia), string
Classification: Put-together

Bumpy

Goal: Place the two pieces into the tray

Materials: Wood
Classification: 2D Assembly

Canal

Goal: Place the four pieces to create a 1-cell-wide blue path connecting the two dots. There must be no extra blue cells: no branches, thick sections, or isolated cells.

Materials: Acrylic
Classification: 2D Assembly

Chaos Tube

Goal: Slide the ring onto the bottom of the tube, then move the ring through the maze to the top. The ring must be adjusted chaotically so that only one of the three pins (hidden below the yellow, red, and blue markers) is engaged with the maze at any one time.

Materials: Co-Pet
Classification: Route-Finding/Maze

Check Me Out!

Goal: Use the 16 identical shapes to create a 4x4x4 cube with a checkerboard theme.

Materials: Wood (maple, mutenye)
Classification: INT-BOX

Notes: Although the pieces are the same shape, the colorings are not.

Chip-In

Goal: Put all the 12 chips (8 identical and 4 mirrors, ignoring colors) into the acrylic box. If you need help, ask your friends to chip-in.

Materials: 3D printed nylon
Classification: Put-together 1.2

Christmas Gift

Goal: Pack the 13 pieces into a 3x3x3 cube.

Materials: PLA (3D printed)
Classification: Slocum 3.2

Notes: The pieces connect via tsugite joints forming a Hamiltonian circuit, with the hole being filled with the "solution."

Clasp

Goal: Take apart and reassemble

Materials: PLA
Classification: 3.4

Cross Twist Puzzle

Goal: Disassemble and reassemble all the parts.

Materials: Brass
Classification: Take-apart

Cubane

Goal: Assemble the four identical and symmetrical pieces into a symmetrical cubical solid.

Materials: Wood, PLA stand
Classification: [3.6] Miscellaneous interlocking

Cubed Worms

Goal: Arrange the three pieces to form an apparent cube completely inside the frame (all three opening are completely filled).

Materials: Carob and itauba wood
Classification: 1.2: 3-D Assembly

Cubic Rocketman

Goal: Disassemble and reassemble the cube.

Materials: Sapele, red oak
Classification: 3.6 INT-CART

Diasafe

Goal: Place all the pieces in the box.

Materials: Wenge, pink oak
Classification: Put-together

Digits

Goal: Place the six double-sided pieces in the frame to form each of the digits from 0 to 9 using the yellow squares.

Materials: PLA, 3D printed
Classification: 1.1 Put-together

Dodecahedron Assembly Kit

Goal: Choose one of five piece combinations and assemble into a regular dodecahedron. All assemblies require a different coordinate motion.

Materials: PLA plastic
Classification: [3.2] Geometric Objects, INT-POLY

Douze Boule

Goal: Place the six identical pieces, arranged as 12 balls, into the box.

Materials: Wenge, Alumide
Classification: Packing

Elbow Room

Goal: Pack the pieces into the box.

Materials: Cherry box, sapelle pieces, canarywood extensions
Classification: Assembly/Packing Puzzle

Elegant People

Goal: Join each of the six possible pairs of pieces to form a symmetric shape.

Materials: White wenge
Classification: Slocum 1.2: 3D assembly

Escape from Panicale

Goal: Help George navigate the many floors and passages of his dungeon, each with six colors to choose from. Place the nine 2-sided wooden tiles so that each arrow exposes the selected color. Starting with the numbered region, the arrows must trace a 9-tile path leading to the walled edge of the floor.

Materials: Plywood
Classification: Route finding

4L Mix

Goal: Place the four pieces into the box

Materials: Wood, acrylic
Classification: 3D Assembly

Fracture-7

Goal: Solve the faces by matching colors.

Materials: Plastic, vinyl, metal
Classification: 5.4 Sequential Movement - Rotating Piece

Fragmented 12 Burst

Goal: Assemble 12 identical pieces to surround a void in the shape of a rhombic dodecahedron. Disassemble by coordinated movement.

Materials: 3D print, PLA Filament
Classification: Symmetric Assembly, Interlocking pieces, Dexterity

Fragmented 30 Burst

Goal: Assemble 30 identical pieces to surround a void in the shape of a rhombic triacontahedron. Disassemble by coordinated movement.

Materials: 3D print, PLA Filament
Classification: Symmetric Assembly, Interlocking pieces, Dexterity

Gravity Cube

Goal: Scramble the 3x3 cube and then return it to its original state (on each face, each tile must have the same color and orientation).

Materials: 3D Printed Plastic
Classification: 5.4 Slocum

Notes: Instead of stickers, this cube has "gravity tiles". These are small mechanisms that display one of 6 colors depending on the rotational orientation of the cube. Colors can change (or not change) with rotations of each face. There are small windows on each tile showing the changing colors. Each window displays the correct solved color in only one orientation, and random colors in every other orientation.

Holey Moley

Goal: Stack the six wooden pieces flat onto the tray in two layers of three pieces each.

Materials: Wood
Classification: Put-together (packing puzzle)

Ice Cream SandWitch

Goal: Find the coin (to buy more ice cream!)

Materials: PLA, magnets, metal parts
Classification: 2.1) Trick or Secret Opening

Jigsaw 31²

Goal: Assemble the pieces to make a symmetric shape

Materials: Acrylic
Classification: Put-Together

Notes: All knobs and sockets are the same and are completely interchangeable.

Jungle Cube

Goal: Construct a 2x2x2 cube with 5 rods and a selection of 8 blocks.

Materials: Wood
Classification: 1-3 (Other Assembly Puzzles)

Keebox Purple

Goal: Find the hidden token

Materials: PLA
Classification: Sequential Discovery

LabySpin

Goal: Navigate from the top-left corner to the bottom-right corner of the board. On each turn, you have two possible types of moves to make:
• Move one square horizontally or vertically to an adjacent square. You can only move if the color or the shape of the pattern on the next tile matches the one you are currently standing on.
• You can also rotate the tile you are standing on by 180 degrees along with your game piece.

Materials: Plywood: oak, pear, walnut, birch
Classification: 5.5 Sequential Movement, Maze & Route

Notes: Multiple challenge cards are provided.

La-La

Goal: Pack the five pieces into the box

Materials: Wood
Classification: 1.2 3D

Notes: A 2x1x1 block is fixed to the inside of the box.

Loach Bed

Goal: Pack the three pieces into the box. Then, take them out again.

Materials: Wood and MDF (color print)
Classification: Interlocking

Locked Lock

Goal: Find the gem inside the puzzle.

Materials: PLA, metal, magnets
Classification: Sequential Discovery (Take Apart)

Locus

Goal: Open the lock.

Materials: Brass and stainless steel
Classification: 2.3 Trick locks & keys

Making Love Easier

Goal: Remove from stand and reassemble

Materials: Aluminum, PLA, Stainless steel & Love
Classification: Take-apart

Mazeling-Q

Goal: Travel from region to region, from the start arrow to the goal square. Moving from one region to the next requires that you fold the maze so that some part of one region is immediately connected to some part of the next region--with NO border wall in between! For numbered mazes, you must connect all numbered regions starting with 1. For lettered mazes, you must spell out a secret answer phrase.

Materials: Paper
Classification: Sequential Movement

Notes: There are three books of challenges.

Minima Tokyo (Jammed Coin)

Goal: 1-Release the coin. 2-Reset the puzzle.

Materials: Wood, metal, magnets
Classification: Take-Apart

Mystifying Mushroom

Goal: Assemble the mushroom by inserting the pieces only through slots A, B, or C in the stalk so that they end up stacked 1-6 bottom to top.

Materials: Plastic
Classification: Sequential Addition/Movement

One Way or Another

Goal: Fit the four pieces (three tetrominoes and an L tromino), into the tray in such a way that you have a free corner to place the black token. Then, only by sliding the pieces, you can move the token from one corner to the diagonally opposite one.

Materials: wood (okoume, chakte viga, birdseye maple, etc)
Classification: Assembly puzzle/sliding piece

Ouroboros

Goal: Retrieve the hidden token.

Materials: PLA
Classification: Sequential Movement

Panicale Prison

Goal: Remove the ball from the exit (marked by an arrow). Then return the puzzle to its starting configuration, with the ball in the ornate window (the one with extra trim) and the drawing on the bottom face complete.

Materials: "Brick" and "marble" (PLA), nylon, ball bearing
Classification: 5.4 / 5.5

Petit Albert

Goal: Pack the five pieces into the restricted box.

Materials: Oak, wenge
Classification: Packing

A Pizza Topping Issue

Goal: Find all toppings and close the pizza again.

Materials: laminated wood, wood, magnets, metal pins
Classification: 5.6 Miscellaneous sequential movement puzzles

Pizzeria Italiana

Goal: Find the pizza hidden in the pizzeria

Materials: PLA
Classification: Sequential Discovery

Pluto

Goal: Place all pieces inside the frame

Materials: Acrylic
Classification: 2D Assembly

The Pretzel

Goal: Scramble, then return all the black balls to the upper loop (shown on back of puzzle).

Materials: PLA, Delrin balls, neodymium magnets
Classification: Slocum 5.3 - Sliding Piece

R6-M

Goal: Remove puzzle from stand and randomize the structure (ok to drop it on table top a few times!). Then restore the unique symmetrical structure and return it to the stand.

Materials: Plastic stand, steel rings with ring magnets
Classification: topological + sequential

Red Treasure

Goal: Find the "red treasure"

Materials: 3D printed PLA and lots of magnets
Classification: Sequential movement

Round Bricks

Goal: Place the six pieces flat into the tray.

Materials: Acrylic
Classification: 2D Assembly

Shift Happens

Goal: Slide the inner core to find the secret compartment, and also discover the hidden mechanical components.

Materials: Rosewood, walnut, maple burl, wenge, pau amarello
Classification: Puzzle Box - Sequential Discovery

Step by Step

Goal: Put all four pieces inside the box.

Materials: Wenge and sapele
Classification: 3D Packing

Notes: Layers of the box slide in two directions, and include internal blocks.

String Ball

Goal: Untie and retie the knot by maneuvering the ends around the ball. The ball can be transformed to have a single path or two independent paths.

Materials: Plastic, cord
Classification: Topological + sequential

String Cube

Goal: Rotate faces of the Void Cube to tie a knot, then solve by untying it.

Materials: 3x3x3 Void Cube, and cord
Classification: Topological + sequential

Swing of Twins

Goal: Place all six pieces inside the frame.

Materials: Acrylic
Classification: 3D Assembly

TavaSym

Goal: Place the four pieces (three adjustable shapes and a T-tetromino) into the frame so that the resulting shape is rotationally symmetrical.

Materials: Several woods
Classification: Put-together

Three-Layer Symmetrix Pentomino

Goal: Assemble the four pieces so that the resulting figure has the same symmetrical shape and orientation on all three layers (composed of the 12 pentominoes, four on each of three layers).

Materials: Wood and metal
Classification: Take-Apart, Put-Together

A 3-Piece Puzzle

Goal: Place the three pieces into each of the five frames.

Materials: MDF (color print)
Classification: 2D Assembly

Thyor

Goal: Pack the six pieces into the restricted box.

Materials: Wenge, maple, padauk
Classification: Packing

TOFU

Goal: Assemble the three pieces into a cube.

Materials: Zinc alloy
Classification: Interlocking

Tomoe

Goal: Pack the six identical pieces into the box.

Materials: PLA, acrylic
Classification: Put-Together

Tray Jam

Goal: Fit 10 of the 16 pieces (using four of the 10 pieces numbered 1-10 and all the pieces numbered 11-16) within the inside the boundary of the large tray. (32 combinations are possible). As a warm-up, fit 4 of the 10 pieces numbered 1-10 into the small tray (15 combinations are possible)

Materials: 3D printed nylon
Classification: Put-together 1.2

Triangle and Rhombus

Goal: Form two shapes:
• Triangle using the six identically shaped pieces
• Rhombus using all 8 pieces

Materials: Rosewood
Classification: Put-Together

YAP (Yet Another Packing)

Goal:
• Pack the six cherry pieces into the 2x4x6 oblong box (one solution).
• Pack the six maple pieces into the 3x4x4 squashed box (one solution).
• Primary goal: Pack all twelve pieces into the large 4x4x6 box (one solution out of six potential assemblies).

Materials: Wood: walnut, maple, cherry
Classification: 3D Packing