Sale extended!

The Daily Challenge team would like to express our gratitude to everyone in our community. You are our motivation to continuously provide the best online math courses for curious minds all over the world.

Actions speak louder than words. Please find your thank-you gift from us!


How to enjoy the super discount?


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


  • Step 2: Share the course poster to all your friends on one of the platforms: WeChat, Twitter, Instagram, Facebook and keep it up for at least 2 hours and collect 10 or more likes/thumb ups.
  • 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.


  • Step 5: Apply your unique coupon code at the checkout of your selected product!