K'nex - Mystery Box





Introduction: K'nex - Mystery Box

Hey guys, now instead of doing my usual routine where I use pictures of K'nex guns from other Instructables members to build my own versions of theirs and then write a review on it but I have done something completely different.


Because I do enjoy playing Call Of Duty: Zombies on my PS3, I got the idea to build this when youtuber ZaziNombies made his own Mystery Box out of over 10,000 lego pieces and it thought to myself that I could make my own out of K'nex because I own loads of pieces and I knew the dimensions for one.


Anyway let's talk about the Mystery Box, basically it appears in every single zombie map in Call Of Duty: World At War, Black Ops and Black Op II and what it does is, it gives you a random weapon for 950 points. After the Mystery Box has been used several times a teddy bear appears and it moves the box to a different location in the map and you get your money refunded as well. If you pick up a Fire Sale power up, the box will spawn at every possible location and the price is reduce just to 10 points but this will only last for 30 seconds.


Parts List

Green Rods - 3187

White Rods - 2166

16mm Black Rods - 34

32mm Black Rods - 32

White Connectors - 780

Black 8-Way Connectors - 28

Blue Connectors - 962

Yellow Connectors - 129

Red Connectors - 6

Purple Connectors - 1110

Hinge Black Half - 33

Hinge Blue Half - 33

Total - 8500


Good Points

· Looks Like The Real Thing

· Doesn't Use Any Cut Pieces

· Does Included The Question Marks That Appear On The Lid

· Does Open And Close

· When It Open's It Creaks Like The Real Thing



· Height - 27cm

· Length - 120.8cm

· Width - 27.3cm


Overall I 'am very pleased with my Mystery Box, and probably it might be the only one on Instructables that is made out of K'nex when it is compared to the ones that are usually made out of wood.


Also check out my other creations and instructions









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    I really like this and I love getting the PPs-A1 out of that thing. Either that or the AK-47. Great job!

    Thanks Mastersplinter, think you mean the PPSh-41

    Interesting... I wish I had the pieces to build stuff like this.

    Thanks, well start saving up or wait until you get a paid job

    Yeah, I could buy more pieces, but I am saving up to buy a .22 in the future.

    Also, you say that you volunteer at the Warwickshire Air Ambulance. What kind of work are you doing there? Also, the ? marks on the top of the box are very cleverly done.

    Well Corgi its basically voluntry work so I don't get paid but for 3 days a week, I help on the till and sometimes go out on the van to help collect and deliver furniture but I have been saving up my money for years which is why I own quite a lot of K'nex. Yes you are right about the ? marks coming out well. This .22, will it be either a pistol or rifle.

    Ok, thanks for explaining about your volunteer work. The .22 I have been thinking about is a lever action rifle. It does not cost all that much, but I don't want to spend all my money on it and then not be able to buy anything else. To be honest, I probably wouldn't buy one for a year or two. Here is the link to the rifle: http://www.henryrifles.com/rifles/lever-octagon-frontier-rifle/