negligible - So small or unimportant that it can be ignored or doesn't have a noticeable effect; insignificant in amount, size, or impact — too minor to be worth considering.
The difference in price was negligible, so she bought the higher-quality clothing.
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.
When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.