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Ages Players
8+ 2

Manufacturer(s): Outset Media

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Product Description

Place 5 of your colored marbles in a row either vertically, horizontally or diagonally and win. Patented collapsible gameboard design connected in a safe durable, flexible stack that requires nothing to set-up or put together.

Product Information

  • Manufacturer(s): Outset Media

  • Players: 2

  • Ages: 8 and up

  • Weight: 650 grams

  • Language Requirements: This is a domestic item.


  • collapsible gameboard
  • 2 sets of colored marbles
  • marble tongs
  • rules

Product Reviews


Average Rating: 3 in 2 reviews

by Jim Lundberg
That's not true
March 16, 2013

That is not true about 3D5. You are not accounting for the adjustability of the selectable number of free space pieces for the game. Also the ability to create a 3- D force sequence is not readily ascertainable but is not hard with planning and skill. This game will be back as I am preparing the proper box to better convey the meaning and play of the game. If there are 7 or more free spaces, I have proven that it is impossible to block the aggressor with just simple blocking moves, because eventually the attacker will end up with multiple 3-in-a-row's that if you connect them properly can accomplish a 3-D force sequence that is sometimes hard to see from the defender's point of view, because they are so focused on blocking all the 3-in-a-row's that they miss mutual connection between adjacent row structures.

I'll play you for money if you'd like to put your money where your mouth is. 7 Free spaces and $100 to the winner?

by Buzzy Colbert
Ruleset leads to draws by reasonable players
May 19, 2008

I tried to talk the inventor of this game out of marketing it without more playtesting and coming up with a workable ruleset. I can teach a 10 year old to be UNBEATABLE in 10 seconds. Ready for the big secret? Block. That's it. All one has to do is look for a row to block each turn and the game will end in draw. Even with more than a dozen free spaces, the game is still a draw. Just as you can't play 9-in-a-row on an infinite plane and get anything but a draw, you can't play 5 in a row on a 5x5 cube. The only way to win -- and he claims nothing more -- is for one player or the other to simply not see that the other has 4 in a row. Tic- Tac-Toe on a 3x3 board is actually a harder game to force a draw.

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