Building a Knex strandbeest

Hello. I just wan't to know from where can I get pieces to build a mechanism like K'nex strandbeest powered by a motor, for my project at University. I 've seen what kind of elements where used, but I don't know how to buy those elements and from who.

Picture of Building a Knex strandbeest
pls8 years ago
Knex.com Or more for your money at ebay.