Pu PLUGO LETTERS: AR-powered word building game kit. Hands-on learning with screen-time balance. Spell, grow vocabulary, improve grammar. STEM, STEAM & MORE: Sharpen linguistic, reading, comprehension, cognitive, motor skills. Phonics, grammar, language concepts. Fun and interactive! FOR AGES 4-10: Perfect word building games for kids. 9 games, 250+ levels, progressive learning. App adapts to grade level. APP COMPATIBILITY: iOS - iPhone 6 & above, iPad 5th Gen & above. Android - OS 8 & above, 2GB RAM & above. Amazon Fire - select models. IN THE BOX: Letters Trunk, 48 letter tiles. Spell on the Trunk, store inside. Gamepad with embedded magnets. Hands-on learning, no screen touch!