Miss the one-day flash sale and still would like to enjoy Prof. Loh's brand new Middle School Competition Math Diagnostic Exam for free? 

No problem! You can share the exam poster with your friends and earn a coupon code that makes the exam free.

Follow the steps below:  

  • Step 1: Right-click or long-press to save the poster on your device.


  • Step 2: Share the exam poster to all your friends on one of the platforms: Twitter, Facebook, Instagram, or WeChat. Collect 5 likes/thumb-ups and keep the post up for at least 2 hours.


  • Step 3: Take a screenshot of your post and send it to [email protected] or boshuzhushou2 on WeChat.


  • Step 4: The Daily Challenge support team will send a unique coupon code. The coupon code will be valid for three days after it's generated.