Videos - Educational Videos for kids
What is a pulley?...
 2296 views  4 years ago
What is a Lever?...
 1762 views  4 years ago
Science Court:...
 3245 views  4 years ago
Wheel and Axle -...
 3924 views  4 years ago
How a Pulley Works
 1064 views  4 years ago
Simple Machines -...
 4345 views  4 years ago
Simple Machines
 1253 views  4 years ago
Simple Machines
 1156 views  4 years ago
Bill Nye the...
 1327 views  4 years ago
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