A Note about Rewards

Why is the reward always a choice between an actual reward and something that is so clearly NOT a reward?  A library full of encyclopedias and text books is not a reward.  Harry Potter and comic books might be considered a reward, but I didn't notice any of those in the crate.  Dental hygiene products?  ALSO not a reward.  Using a toothbrush is not fun, even if it is an electric toothbrush.  A reward should be something that makes Mallory look like this:

 

She did not look like this when they showed the books.  Please take my point, CBS.