In an effort to make the redemption process easier, each product tier of a Humble Bundle product also includes all of the courses from the tier(s) below it. As such, if you purchased a Humble Bundle, you only need to redeem the product that matches the tier that you purchased. For instance:
For more information on redeeming your Humble Bundle purchase, please check out the following article: I purchased courses through Humble Bundle. How do I access them?