Instructables
Picture of knex robot arm
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A lengthening for your arm

I am from belgium so my english isnt so good... sorry

for mlcad users:
http://www.mediafire.com/?vvohy2ztyaf
 
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Step 1: 1e piece

Picture of 1e piece
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1e pice

pic. 3: replaceable by yellow one`s

Step 2: 2e piece

Picture of 2e piece
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2e piece

pic. 2: replaceable by red one´s

Step 3: 3e piece

Picture of 3e piece
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3e piece

Step 4: 4e piece

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4e piece

Step 5: The big rod

Picture of the big rod
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very importand

Step 6: The claw

Picture of the claw
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....

Step 7: Link everything

pic. 6-8: where to connect the rod
pic. 9: ad some rubber bands