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Dragonflytv

Engineering

Season 4, Episode 2 of 13

Kid engineers Bob and Brennan tune up their ice bike for the coolest race of all. Join young inventor Karl and his robots as they face the ultimate techno-rumble: robot wars! And DRAGONFLY TV asks: How do you propel a rollercoaster without climbing the first hill?

More From this Series

Previously Aired

Day
Time
Channel
8/23/2009
3 p.m.
PBS Kids
3/10/2012
3 p.m.
PBS Kids
3/11/2012
9:30 a.m.
PBS Kids
6/15/2013
3 p.m.
PBS Kids
6/16/2013
9:30 a.m.
PBS Kids
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