$1.99, iPad, iPhone, Android, Kindle, Windows, Mac OSX, Steam

Teaches: logic, spatial relations

$2.99, iPad, iPhone, Android, Kindle

Teaches: fine motor skills, math, counting up to four, 1 to 1 correspondence, airports, planes

$3.99, iPad, iPhone, Android, Kindle

Teaches: logic, memory, classification

$2.99, iPad, Android, Kindle

Teaches: social studies, language, creativity, hospitals, verbal skills

$3.99, iPhone, iPad, Android, Kindle

Teaches: logic, memory, spatial relations, math

$0.99, iPad, iPhone, Android, Kindle, Windows, Mac OSX

Teaches: logic, memory, problem solving, spatial learning

iPad, iPhone, Android, Kindle, Windows, Mac OSX, Chrome

Teaches: English, Arabic, Czech, Dutch, French, German, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish, Ukrainian, Vietnamese

$2.99, iPad, iPhone, Android, Kindle

Teaches: logic

$2.99, iPad, iPhone, Android, Kindle

Teaches: logic matching, memory, fine motor skills, patterns

$4.99, iPad, iPhone, Kindle, Android

Teaches: patterns, pattern awareness, timing, fine motor skills, temporal relations, loops

$3.99, iPad, Android, Kindle

Teaches: logic, math, spatial relations, art, mechanics, optical illusions, simplified Chinese, Traditional Chinese

$2.99, Android, iPad, iPhone, Kindle

Teaches: problem solving, math, fractions, logic

iPhone, Android, Kindle

Teaches: reading, fine motor coordination, word recognition