Windows, Mac OSX, Chrome

6-up

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

$2.99, iPad, iPhone, Android, Kindle

2-5

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

$2.99, iPad, iPhone, Android

2-5

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

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

5-8

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

Windows, Mac OSX

7-up

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