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SAS Cardboard Challenge
April 28, 2023
![](https://cardboard-challenge.com/wp-content/uploads/2023/04/Screen-Shot-2023-04-26-at-8.33.02-PM.png)
This is our 10th Cardboard Challenge at Shanghai American School’s Pudong Campus, Shanghai, China.
This is our 10th Cardboard Challenge at Shanghai American School’s Pudong Campus, Shanghai, China.