$0.99, iPad

9-up

Teaches: logic, spatial relations

$2.99, iPad, iPhone

2-5

Teaches: colors, spatial relations (front and behind), art

$2.99, iPad, iPhone, Android

3-up

Teaches: art, illustration

$2.99, iPad, iPhone, iPod Touch

2-up

Teaches: music, rhythm, melody, math, counting, computer sequencing

$2.99, iPad, Android, Kindle

2-8

Teaches: classification, time of the day, logic, memory

$2.99, iPad, Apple TV, iPhone

2-5

Teaches: language, spatial relations, causality, logic

$1.59, iPad

3-8

Teaches: art, reading, birds