Windows, Mac OSX, Chrome, Internet Site

Teaches: science, food safety, food borne illness protection

$15, iPad, iPhone, Steam, Windows, Mac OSX, Chrome

Teaches: logic, art, reading, literature, emotions

$5, iPad, iPhone, Android, Windows, Mac OSX

Teaches: A collection of apps, books and video

$20, Windows, Mac OSX, Steam, PlayStation 4, Nintendo Switch

Teaches: logic, problem solving, temporal relations

$0.99, iPad, Mac OSX

Teaches: perspective, spatial relations