KUAT Channel 6 is currently at reduced power due to a technical failure. While we wait for parts to arrive, viewers further away from the Tucson area may have trouble receiving a signal. We apologize for the disruption.
Sid wonders how he can lift his heavy box of toys way up to his treehouse. After investigating at school, Sid discovers that a pulley is the perfect simple machine to help lift heavy things up to high places, like a tree house!
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