Nut Stack

Nut Stack
Nut Stack is a packing problem. The objective is to fit the bolt and the four nuts into the pentagonal box. The way to do this is to fit the nuts around the bolt and put these together into the box. Each of the nuts is pentagonal with an elongated side. When one turns the nuts around the bolt, all nuts stacked together form a pattern. Only one of all 12x16=192 possible permutations and combination... Learn More+
Leviathan Of Glacier Bay
Leviathan Of Glacier Bay
Gay Male Symbol Stud Earrings (Black, Red & White) Symbols) Gay Earrings
Gay Male Symbol Stud Earrings (Black, Red & White) Symbols) Gay Earrings
Slideways Cube
Slideways Cube
Unisex or Men's Tungsten Wedding Band (8mm). Black and Silver Dome Gunmetal Bridal Ring. Tungsten Carbide Wedding Ring. Mens Jewelry
Unisex or Men's Tungsten Wedding Band (8mm). Black and Silver Dome Gunmetal Bridal Ring. Tungsten Carbide Wedding Ring. Mens Jewelry
Tridi-Loco
Tridi-Loco
The Trainer Cribbage Board - 2 Track
The Trainer Cribbage Board - 2 Track
Reds Over London
Reds Over London
Rainbow CZ Bottom Round Pendant - LGBT Gay and Lesbian Pride Necklace
Rainbow CZ Bottom Round Pendant - LGBT Gay and Lesbian Pride Necklace
Kettle Corn Soda Pop
Kettle Corn Soda Pop
Gay Pride Flag - Rainbow Square Computer Mousepad - Gay and Lesbian LGBT
Gay Pride Flag - Rainbow Square Computer Mousepad - Gay and Lesbian LGBT
Blockbuster Movie Poster Puzzle - Peter Pan
Blockbuster Movie Poster Puzzle - Peter Pan
Lucky Puzzle
Lucky Puzzle
Bricked
Bricked
Tear Drop Ring - Adjustable - One Size Fits All (.925 Sterling Silver Electroplated Ring)
Tear Drop Ring - Adjustable - One Size Fits All (.925 Sterling Silver Electroplated Ring)
BeanBoozled by Jelly Belly
BeanBoozled by Jelly Belly
Crack Corn
Crack Corn
Progress Pride Sticker (3.75
Progress Pride Sticker (3.75" x 5'') Car Decal Sticker Rainbow Pride LGBT Gay & Lesbian - Progressive Pride Rainbow Sticker / Bumper, etc.
Male Symbol Stud Earrings - Gay Pride Earrings - Black and Gold
Male Symbol Stud Earrings - Gay Pride Earrings - Black and Gold
Lesbian and Gay Pride Rainbow Dream Catcher 3 1/4 Inch Beaded Dream Catcher. Great for cars, windows, rooms and more.
Lesbian and Gay Pride Rainbow Dream Catcher 3 1/4 Inch Beaded Dream Catcher. Great for cars, windows, rooms and more.
Men's Tungsten Wedding Band (8mm). Rose Gold and Silver Matte Finish Tungsten Carbide Ring. Beveled Edge
Men's Tungsten Wedding Band (8mm). Rose Gold and Silver Matte Finish Tungsten Carbide Ring. Beveled Edge
8mm - Unisex or Men's Wedding Tungsten Band. Black Matte Finish Tungsten Carbide Ring with Double Purple Tone. Beveled Edge
8mm - Unisex or Men's Wedding Tungsten Band. Black Matte Finish Tungsten Carbide Ring with Double Purple Tone. Beveled Edge
Men's Tungsten Wedding Band (8mm). Celtic Wedding Bands. Silver Ring with Silver and Black Resin Inlay Celtic Knot. Tungsten Carbide Ring
Men's Tungsten Wedding Band (8mm). Celtic Wedding Bands. Silver Ring with Silver and Black Resin Inlay Celtic Knot. Tungsten Carbide Ring
Kreuzring
Kreuzring
Automata Collection - Sliding Deer
Automata Collection - Sliding Deer
Pansexual / Pan Pride Flag Sticker for Car (2x3
Pansexual / Pan Pride Flag Sticker for Car (2x3" Rectangle Bumper Sticker Decal)