Where or what set does the little blue piece of knex come in?

The blue piece that looks like a tan piece but doesn't have the little thing sticking out.

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Buy them off knex.com 6 cents A piece I believe.
DJ Radio8 years ago
I get mine from a 500 pc. knex tub.
rexdino5 (author)  Killer~SafeCracker8 years ago
I can't find any close store that has the 400 piece tub and my mom doesn't like ordering things online
rexdino5 (author)  Killer~SafeCracker8 years ago
Hey.... umm does it come in other boxes?
rexdino5 (author)  Killer~SafeCracker8 years ago
A dollar?!?!??!??
rexdino5 (author)  rexdino58 years ago
I went to knex.com and it was a lot cheaper. So i might go to walmart and buy it or something