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Wang Duoyu, are you sure you won't invest?
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Greeting assistant! Loves inventing
Automatic butt-washing machine! It's really durable
Silly invention: Is it really that convenient to brush?
Automatic Hair-Combing Machine! The Coolest Invention Ever!
A robot that does summer homework! The most useful invention!
Claymation invention: the vegetable-cutting robot! Absolutely perfect
Phone Addiction Prevention System! A Hardcore Invention
DIY bubble noodle gadget!
A table that sprays water! Is it useful?
Super keyboard! The most hardcore invention!
Juice-drinking assistive device! The most hardcore invention!
Giant lollipop! A single candy passed down through three generations—when people leave, the candy re
DIY Hand Cream Applicator!
Automatic Dishwasher! A Hardcore Invention
The silliest invention ever! No more worries about not being able to get up!
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Homemade Cucumber Beating Aid
Still worried about not finishing your homework?
This is seriously so satisfying to eat! Nice!
Super charging cable! Can you handle the speed?
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