A royal architect (Sophie Turner) wants to know where sand comes from! It's up to Bo to get to the nitty-gritty!

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About Netflix Jr.:
Welcome to the official Netflix Jr. channel! Where kids can learn, sing and play with their favorite Netflix characters - from StoryBots to Super Monsters and everyone in between.

About Netflix:
Netflix is the world's leading streaming entertainment service with 223 million paid memberships in over 190 countries enjoying TV series, documentaries, feature films and mobile games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time.