I found it very easy... I just,
Click to reveal..
Dropped two kids on the beach, North of the pier, then wait for a crab. As soon as it comes out, immediately pause. While paused, drop a kid on the crab. Unpause long enough for the kid to start 'distracting' the crab, then immediately pause again. Drop another kid on the crab and grab an adult. Unpause and wait until both kids are 'distracting' the crab. Then drop the adult on it.


My game didn't crash once.
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"And whether or not it is clear to you, no doubt the universe is unfolding as it should" -Desiderata