The capsule is beneath the school girls on Big Nate Island Poptropica.
to get the capsule out you need to press the yellow button
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The capsule is under the girls.
go down, push
u get a map in with the water ski
you can pull the capsule by pressing the capsule then lifting it up. after you lift it the capsule ( of course it will not be completely pulled), press themiddle of it. when i say middle, i mean the gold thing
on Big Nate you go to a new adventure
its where the girls were "yakking"
at the playground on big Nate island
the capsule is under where the girls at the playground were standing use the crackers to make the dog dig in that place
click th gold part in the middle