Introduction: How to Build Project "Fab" Knex Ball Machine

Picture of How to Build Project "Fab" Knex Ball Machine

Hello, This is an Instruction how to build my ball machine "Fab". I Hope you'll like it!

Step 1: Piececount

green: 208
white: 210
blue: 417
yellow: 262
red: 119
grey: 42
black (same length as grey, you could youse a gray rod instead, but a black one is better): 1
Total Rods: 1259

darkgray: 138
lightgray: 6
orange: 104
red: 112
green: 29
purpel: 301
yellow: 298
oange (you can connect tubing on them): 30
blue: 91
white: 50
Total Connectores: 1159

orange clips to put tubing on: 5
blue spacer: 34
grey spacer: 26
tanclip: 5
Y-clip: 70
green-flexible rod (same length as gray rods): 1
orage-flexible rod (same length as yellow rods): 4
red medium-sized gear: 8
battery-motor: 1
chianlink: 94
261 cm tubing: 1
Total Other: 149

Total: 2567

Step 2: The Frame

Picture of The Frame

Ok now you'll build the frame

Step 3: Rolling on Rods

Picture of Rolling on Rods

now you'll make on the left side the "rolling on rods" element.

Step 4: The Maze

Picture of The Maze

Now you'll make at the right side the maze

Step 5: The Center

Picture of The Center

Now you'll make the center of the model.

Step 6: The Right Side

Picture of The Right Side

Now you'll make the right side.

Step 7: The Left Side

Picture of The Left Side

Now you'll make the left side.

Step 8: Flip Flap Thing and Ferris Wheal

Picture of Flip Flap Thing and Ferris Wheal

Now you'll make two elements: the flip flap thing and the ferris wheal.

Step 9: The Tower

Picture of The Tower

Now you'll make the tower.

Step 10: Spiral Case and Wheal Slide

Picture of Spiral Case and Wheal Slide

It's time to make the spiral case and the wheal slide, an Element I invented.

Step 11: Archimedes Screw and Special Slide

Picture of Archimedes Screw and Special Slide

Now yo'll make the archimedes screw and the special Slide.

Step 12: The Last Path

Picture of The Last Path

Step 13: The Chain

Picture of The Chain

Now you'll make the chain.

Step 14: Finish

Picture of Finish

You finished buildeng Fab!!!


Jake_hates_lego (author)2016-07-03

will this work with the green motor?

Sorunome (author)Jake_hates_lego2016-07-03

Yeah, you'll have to think of your own way to attach the motor, though

ThijsL1 (author)2015-10-15

looks good

Sorunome (author)ThijsL12015-10-15


poncho531 (author)2012-01-19

Wow! In step 3, part 8, it looks exactly like an optical illusion!

Sorunome (author)poncho5312012-01-19

Maybe it IS one... :P:P:P

Knex1235 (author)2011-12-19

do you have a video

Sorunome (author)Knex12352011-12-21

No, sorry. Maybe you could make one?

poncho531 (author)Sorunome2012-01-18

Mine won't exactly be good, because I prefer to film it in one video, but it will be fine. When I cover the camera with my hand, that's path seperation.

Sorunome (author)poncho5312012-01-18

That doesn't matter.
Please do the modification in Step 12 (I didn't add that as comment yet as i somehow can't edit ibles atm) that you use in that helix thingy instead of two yellow connectors only gold ones and wined the track all the way, I haven't tested that but that should make it work better. :)

poncho531 (author)Sorunome2012-01-18

I will! After I finish building it....

ryry2011 (author)2011-02-22


Sorunome (author)ryry20112011-02-22

thanks! did you build it already?

ryry2011 (author)Sorunome2011-02-22

your welcome. no because me and the blue nullet made the final updates to my ball machine

Sorunome (author)ryry20112011-02-22

oh, i see!

ryry2011 (author)Sorunome2011-02-22

its still good thow

Sorunome (author)ryry20112011-02-23


ryry2011 (author)Sorunome2011-02-23


rollerbolder (author)2010-10-09

Sweet, i like it!!!!!!!

Sorunome (author)rollerbolder2010-10-10


rollerbolder (author)Sorunome2010-12-26

no prob

knexpert#10829476 (author)2010-09-29

When I printed the instructions out on a dell laser printer, this step turned out black and barely noticable.

Sorry, but my light didn't work proper then, and I already took it apart. But on th computer you can still see waht it has to be.

oninoni (author)2010-09-25

..... i know this ball mashine sorunmie

Sorunome (author)oninoni2010-09-25


knexpert#10829476 (author)2010-09-24

Supports looks like it came from Temple Of Demise. They seem stronger than the square towers.

It came frome temple of dimense. :)

Tornado96 (author)2010-09-14

One more thing. You just earned a subscription. :-D

Sorunome (author)Tornado962010-09-14

Thanks. :)

Tornado96 (author)Sorunome2010-09-14


Sorunome (author)Tornado962010-09-21

:-D (did you notise that this smiley has a nose? ;P)

Tornado96 (author)Sorunome2010-09-21

Now your smilee can smell! HOORAY!

Sorunome (author)Tornado962010-09-22

:D (no nose)

Tornado96 (author)Sorunome2010-09-22



Sorunome (author)Tornado962010-09-23


Tornado96 (author)Sorunome2010-09-23


Sorunome (author)Tornado962010-09-23


Tornado96 (author)Sorunome2010-09-24

Another eternal list of smilees! ;-)

Sorunome (author)Tornado962010-09-24

Also without noses ;P

Tornado96 (author)Sorunome2010-09-24


Sorunome (author)Tornado962010-09-24

(removed by a smiley)

Tornado96 (author)Sorunome2010-09-24

Not this again.

Tornado96 (author)2010-09-14

This looks similar to temple of demise. ;-)

Great job!

Sorunome (author)Tornado962010-09-14

What do you think had the Idea frome?

Tornado96 (author)Sorunome2010-09-14

lol :-D

Sorunome (author)Tornado962010-09-21


Tornado96 (author)Sorunome2010-09-21

People love using smilees!

Sorunome (author)Tornado962010-09-22


Tornado96 (author)Sorunome2010-09-22

OK how about we end the conversation for now. It's just going to turn into an eternal list if smilees.

Sorunome (author)Tornado962010-09-23

OK :)

About This Instructable




Bio: You can find me over on Knexflux!
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