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Spark & Anvil
Ages 3–5 Ages 6–8 Ages 9–14 Ages 15–18 All ages
Play Stories Books Today Grown-ups Play togetherBack to room
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▶ 620 apps you can play right in your browser · 📖 2575 illustrated cast stories & audio dramas — all free, no ads. Start playing →

▶ 620 apps to play · 📖 2575 stories · Play →

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LinguaQuest
◆ LinguaQuestLearn 🎓 Teach 🗺️ Adventure 🤝 Together 🔁 Review
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  • Activities
    • ✍️ Script Spotter
    • 🌳 Family Tree
    • 🌍 Word Voyager
  • Play & compete
    • 🏟️ Quiz Arena
    • 🎯 Lingua Run
  • Study & review
    • 🫥 Fade-Out Memory
    • 🧠 Trick Qs
    • 🧘 Focus
  • Experiments
    • 🌐 Trust the Bot?
  • Your progress
    • 📊 Progress
    • 📝 Report
  • About
    • 📖 About
🧭 My Journey
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Lingua Duel

Pick a kit — then 2–4 players take turns on one device. Same questions for everyone; highest first-try score wins.

Choose a kit

Kit 1: Language Families of the World grades gr4-5 · 25 questions Kit 2: Greetings and Basic Phrases grades gr4-5 · 25 questions Kit 3: Cognates and Word Origins grades gr5-6 · 25 questions Kit 4: Writing Systems and Alphabets grades gr5-6 · 25 questions Kit 5: Food, Culture, and Language grades gr5-6 · 25 questions Kit 6: Grammar Across Languages grades gr6-7 · 25 questions Kit 7: Translation and Interpretation grades gr6-7 · 25 questions Kit 8: Endangered Languages and Preservation grades gr7-8 · 25 questions Kit 9: Language Families & Evolution grades 6-8 · 25 questions Kit 10: Writing Systems of the World grades 6-8 · 25 questions Kit 11: Sociolinguistics & Language in Society grades 6-8 · 25 questions Kit 12: Computational Linguistics & Translation grades 6-8 · 25 questions Kit 13: Cross-Topic Connections grades gr4-5 · 25 questions Kit 14: Real-World Applications grades gr4-5 · 25 questions Kit 15: Misconceptions & Reasoning grades gr4-5 · 25 questions Kit 16: Advanced Synthesis grades gr4-5 · 25 questions

Parent digest →

Monthly heads-up: new books, characters, seasonal collections, family activities.

Educator drop →

Classroom-ready: new books to share, curriculum-mapping, printables, pilot briefs.

RSS feed →

50 most-recent books in Atom format. Works in NetNewsWire, Feedly, Reeder.

Browse by age Ages 3–5 Ages 6–8 Ages 9–14 Ages 15–18 All ages

Spark & Anvil makes thoughtfully-crafted educational apps for kids and teens ages 3–18 — playable free right now in your browser, with native iPhone, iPad, Mac, and Apple Vision Pro apps in development. All free, forever. No ads, no in-app purchases, no tracking. Built with Swift 6 and SwiftUI, running on-device AI.

501(c)(3) non-profit (pending) — we’re finalizing fiscal sponsorship; once it’s in place, donations open and are tax-deductible through the sponsor’s EIN. Support the mission →

Apps

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  • Your favorites
  • Cast
  • Teach the Cast
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  • Mascots
  • Play Together
  • Classes
  • Method
  • Things nobody knows yet

Organization

  • About
  • Impact
  • News & press
  • Our friends
  • Donate

Connect

  • Grown-ups
  • Teach with us
  • Calm chess (AAP 5 Cs)
  • Chess: what comes next
  • How ads work (media literacy)
  • Open commons

Trust

  • Privacy
  • Safety architecture
  • Accessibility
  • Terms
© 2026 Spark & Anvil. Made with care for ages 3–18. 501(c)(3) non-profit (pending) · Free forever · No ads · No tracking · No personal data from kids · Progress stays on this device

My reading shelf

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Badges

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    My collection

      Books

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      My songs

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        Audio dramas

          Reading Access

          Make reading comfier. Saved on this device only — nothing leaves your device.

          Text size
          Line spacing
          Letter & word spacing
          Font
          Reading tools
          Motion & sound
          Game look

          Same ideas with a younger band's look: bigger type and buttons, a rounder font, slower motion. For any child who wants it.

          Heavy features

          Auto picks for this device. Lighter uses smaller downloads. Nothing is turned off.

          Use on another device

          Saved. Load this file on your other device. Settings loaded. That isn't a reading-settings file. Nothing changed.