Stack the States

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Product Review

105 exciting missions with selectable math operations and skill levels.
30 different watches and uniforms that players can win by solving math problems.
Training runs that help novice agents prepare for future missions.
The ability to create three custom player profiles on the same device.
Fun spy-themed action that provides a fun alternative to homework and flashcards.
Great basic math quiz or test prep for any grade level.
Quick reference math tables.

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