$2.99, iPad, iPhone

3-7

Teaches: reading, language, overcoming fear of thunderstorms, science

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

5-8

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

$3.99, iPad, iPhone, iPod Touch (iOS 6.0 or later)

6-up

Teaches: spatial relations, building, science, forces

$80, iPad 2 or later (with camera), iPad Mini

3-up

Teaches: spatial learning, logic, art, science, socialization, large group, huddle

$5.99, iPad

4-10

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

Windows, Mac OSX

7-up

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

$2.99, *iPad, iPod touch, iPhone

3-up

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