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Free iPhone app: https://itunes.apple.com/us/app/the-human-body-by-tinybop/id682046579?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/plants-by-tinybop/id872615882?mt=8&uo=4&at=10l6SU
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Paid Android Phone app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk
Paid iPhone app: https://itunes.apple.com/us/app/id1001247878?mt=8&at=10l6SU
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Paid iPhone app: https://itunes.apple.com/us/app/sid-the-science-kid-read-play/id534372199?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/frog-dissection/id377626675?mt=8&uo=4&at=10l6SU
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Free iPhone app: https://itunes.apple.com/us/app/rocket-simulator/id634511367?mt=8&uo=4&at=10l6SU