GENIUS TOY TAIWAN CO. LTD 7447-W85-B User Manual

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EXPERIMENT 3
HERE’S HOW
As the gears on the hay rake turn 
look at the speed of the different 
different gears. What do you 
observe about the speed of the 
small gray gears and large green 
gears?
Spinning gears
HAY RAKE
4
3
30
5
100-mm
Done!