for anyone who want's to fix this and make an animation for it, here you go

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Tynker is the world’s leading K-12 creative coding platform, enabling students of all ages to learn to code at home, school, and on the go. Tynker’s highly successful coding curriculum has been used by one in three U.S. K-8 schools, 150,000 schools globally, and over 100 million kids across 150 countries.