Binoculars
Whenever they are available jump into a floating pair of binoculars as they allow you to use the 3DS gyroscope which enables you to get a better view of the stage making it easier to break pipes and collect coins with a Mega Eggdozer which is a very large Yoshi egg.
More tricks, tips and cheats for this game are right here - Yoshi's New Island cheats
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