$2.99, iPad, iPhone, Android, Kindle

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

$2.99, iPad, iPhone, Android

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

$2.99, iPad, iPhone, iPod Touch (iOS 8.0 or later)

Teaches: matching, reading, math, logic, counting

$2.99, iPad, iPhone, iPod Touch (iOS 7 required)

Teaches: early reading, math, counting, matching, symmetry, cause and effect

$50, Wii U

Teaches: socialization, timing, logic, math

$1.99, iPad, iPhone, iPod Touch (iOS 8.0 or later)

Teaches: math, creativity, problem solving, logic, gears, physics, physical science, torque

$60, Xbox One, Xbox 360, PlayStation 4, PlayStation 3, Vita, Wii U, Nintendo 3DS

Teaches: logic, co-op play, math, reasoning

$5.99, iPad

Teaches: trivia: math, science, english, history and geography

Windows, Mac OSX

Teaches: programming, debugging, logic, math, science, STEM

$2.99, *iPad, iPod touch, iPhone

Teaches: fine motor coordination, racing, classifying, counting, letter recognition, science, math, logic