$30, Smart Toy

Teaches: Science, Electronics, STEM

$20, Android, iPhone

Teaches: geography, science, history, travel

$19.95, Smart Toy

Teaches: science, electronics, engineering, STEM

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

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

$30, Smart Toy

Teaches: science, electricity, circuits

Windows, Mac OSX, Internet Site

Teaches: all school subjects including social studies, science, math, art, history

$4.99, Windows, Mac OSX, iPad, iPhone, Android

Teaches: science, creativity, building, physics, forces, potential energy