$2.99, iPad

4-up

Teaches: art, creativity, children's literature, Eric Carle

$2.99, iPad

7-up

Teaches: creativity, game design, art, temporal relations

$2.99, iPad, Android, iPhone, Apple TV

4-10

Teaches: creativity, logic, spatial relations, art, blocks

$2.99, iPad, iPhone, iPod Touch (iOS 7.0 or later)

8-up

Teaches: science, geology, geography, earth science

$2.99, iPad, Android, iPhone

5-9

Teaches: science, creativity, logic, spatial relations, ecology, ecosystems, earth science

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

3-up

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

$0.99, iPad

4-up

Teaches: art, creativity, symmetry, patterns, shapes

$2.99, iPad (95 MB)

4-8

Teaches: creativity, art

$3.99, iPad, Android, Kindle

6-up

Teaches: logic, math, spatial relations, art, mechanics, optical illusions, simplified Chinese, Traditional Chinese

$1.99, iPad

6-8

Teaches: art, creativity, art history