Cylinder-7Two whip-it like puzzles fused into one with six columns and 7 layers.
Diamond Bob's Diamond 8 Puzzle8 billiard balls in a square container. The balls can rotate around the perimeter, or move across the center along one axis. The goal is to scramble the balls and then return them to sequential order.
Diet Coke CanA tile-sliding puzzle with the shape and design of a Diet Coke can.
Dombai puzzleWhip-It with four layers and six columns. Made in the former soviet union.
DoTSA "sticker variant" of the Cubedron concept.
DrumA wooden puzzle that combines moving marbles with moving plungers and two holes.
Eight-Pole Wisdom PlateMove the blocks around to match up the colours and numbers. Front and back form independent puzzles.
ENI Puzzle - Black & WhiteOne out of the series of ENI-puzzles. This is identical to the mini-version with eight layers but with only two colors.
ENI Puzzle - BrailleOne out of the series of ENI-puzzles. This is the version with five layers and braille symbols.
ENI Puzzle - MiniOne out of the series of ENI-puzzles. This is the version with eight layers.