The Broken Wheel Sid the Science Kid : Season 1 Episode 21
TV-Y PBS 27m
Aired: October 27th, 2008 @ 12:00 AM EST on PBS
When a wheel falls off Sid's favorite toy truck, he tapes it back on. But now the wheel won't spin, and Sid wonders how exactly wheels work? At school, Sid explores how wheels are simple machines that help move all kinds of things like cars, trains, tricycles, and even toy trucks!
