What Will Be the Toys of the Year?
Making a new toy sounds fun. But it's hard to do. Inventors think about the toy. They think about the kids who will play with it. Is the toy too easy or too hard for the kids?
發明新的玩具聽起來很有趣，但其實不簡單。發明家要思考玩具會不會太難?小朋友會喜歡嗎?
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