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Earn a variety of in-game achievements, Platforms: Windows, ESRB Rating: Early Childhood more details
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For ages 8 - 12 12 sets of puzzles build advanced math thinking skills Supports math standards... more details
Windows XP, Vista, Win 7, Platforms: Windows XP Professional Windows XP Home Edition Mac OS X... more details
Packed with skill-building activities. |Thousands of exercises in Practice Mode. |Customizable... more details