 |
Nut Stack
|
|
| Featured Item |
|
|
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+
|
|
|
|
|
|
|
|
Black Fanny Pack (Pansexual Flag) - Pan Pride - LGBTQ Gay & Lesbian Pride Gifts and Accessories
|
|
|
|
|
|
|
|
|
|
|
|
2pc Double Set - Always Sisters - Forever Friends Necklace - Silver Color Pewter Pendant with black PVC rope/chain included!
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Middle Stone Tribal Ring - Steel Love and Promise Ring / Commitment Marriage Engagements
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Square Rainbow Flag Pride Glass Pendant with Chain. GLBT Pride Jewelry and Accessories.
|
|
|
|
|
|
|
3D Crystal Puzzle - Pluto
|
|
|
|
|
|
|
|
|
Printed Full Rainbow Pride Flag Canvas Tote Bag with zipper closure (10x12 inch) - LGBT Gay and Lesbian Pride
|
|
|
|
|
|
|
Mysterious Mind Reader Cards 1-125
|
|
|
|
|
|
|
|
|
|
|
Women's Real Damascus Steel Ring (6mm) - Silver, Black and 14K Gold Stripe Inlay Wedding Ring - Flat Style
|
|
|
|
|
|
|
Unisex or Men's Titanium EKG Heartbeat Wedding Band (8mm). Silver Band with Gold Inlay Heart Life-line on Black Carbon Fiber. Light Weight Titanium Comfort Fit Love Ring
|
|
|
|
|
|
|
|
|
Men's U.S. Marines / USMC Marine Corps. (8mm) Flat Top Steel Wedding Band. Military Wedding Bands. White Laser Etched United States Marines Logo
|
|
|
|
|
|
|
Benjy Siamese Octagon I (Side by Side) - Black Body
|
|
|
|
|
|
|
|
|
|
|
Deluxe Iraklia Backgammon - Large (Rosewood Design)
|
|
|
|
|
|
|
City Collection: Toronto - Skyline
|
|
|
|
|
|
|
|
|
Rainbow Flag / Gay Pride Flag (Double Male Mars Symbols) - 3 x 5 Polyester Gay Flag
|
|
|
|
|
|
|
|
|
|
|
|
