Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

STEM for Kids: Build Machines 螢幕截圖

iPad

iPhone

About STEM for Kids: Build Machines

Learn all things machine with Haley, our child-friendly science teacher, on dozens of interactive lessons.

Build your own rocket, run real science experiments, answer trivia, and much more!

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8 reasons why parents and kids adore Tappity apps:

• You get to interact with a real person, Haley, our science expert!
• You get to learn by reading, listening, and touching. Our app is 100% interactive and 100% narrated!
• You're learning real science. Our lessons align with the Next Generation Science Standards (NGGS).
• You learn by play, just like you would in a game!
• You get to test yourself knowledge with fun science trivia based on what you've learned!
• You're safe from 3rd party advertisements.
• You can play offline. Perfect for long waits, car or plane rides.
• You can try it for free now! No trials or extended subscriptions.

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In-App Purchases

This app is free to try! The first few lessons are always free. If you'd like to unlock all of our content, there will be a one-time payment.

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Feedback and Support:

Have feedback or need help? Contact us at any time: hey@tappityapp.com

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Who are we:

Tappity believes in the power of storytelling and interactivity to make learning science fun. We encourage play by encouraging touch on every page and bringing in science experts to guide your child. Tappity is currently used across 20 countries, and we’ll always offer an ad-free and safe environment for your children. Learn more about us at www.tappityapp.com.

Privacy Policy: http://tappityapp.com/privacy

Terms and Conditions: http://tappityapp.com/terms"