$3.99, iPad, iPhone, Android

Teaches: math, logic, coding, directions, commands, problem solving

$35, Smart Toy

Teaches: STEM, coding

$2000, iPad, Android, Chrome, Internet Site

Teaches: science, biology, weather, geology, astronomy

$200, iPad, Android

Teaches: robotics, programming

$50, Smart Toy

Teaches: coding, robotics, procedures

$2.99, iPad, iPhone

Teaches: spatial relations, logic, fine motor skills, problem solving

$3.99, iPhone, iPad, Android, Kindle

Teaches: logic, memory, spatial relations, math

$75, iPad (regular sized only)

Teaches: coding, logic, math, counting, number lines

$100, Smart Toy, iPad, iPhone

Teaches: circuits, STEM, logic, programming

$1.99, iPad

Teaches: math: counting, fractions, addition, subtraction, decimals

$50, Smart Toy

Teaches: STEM, coding

iPhone, Android

Teaches: current events, news, spatial relations

$2.99, iPad

Teaches: creativity, logic, STEM, electronics, circuits, robotics

$20, Smart Toy

Teaches: robotics

$2.99, iPad, iPhone, Android, Kindle

Teaches: logic

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

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

$7.99, iPad, iPhone, Android, Kindle, Mac OSX, Internet Site

Teaches: coding, math, creativity

Windows, Mac OSX, Chrome, Internet Site

Teaches: coding, programming

$2.99, iPad, iPhone, Android

Teaches: programming, math, coding

iPad, Android

Teaches: programming, logic, creativity, coding, art, math

$25, board game

Teaches: programming, coding, problem solving

$1.99, iPad, iPhone, iPod Touch (iOS 7.0 or later)

Teaches: science, math, reading, space, solar system, rhyming words, classification, math facts, addition, matching

$2.99, iPad, iPhone

Teaches: science, human anatomy, biology, health

$2.99, iPad

Teaches: geometry, symetry, 3D space, spatial relations, creativity, printing

$2.99, iPad, iPhone

Teaches: math, counting, logic, addition, clocks, angles