Scratchcards:
You will get random packs according to their quality when you use these items. Some of them have maximum value, for example:
Use Fine Tank Scratchcard, and you may get 1-2 gift packs with a maximum value of $9.99, meaning you may get one or two packs and their value will be between 4.99$ to 9.99$

Some of them have a fixed value, For example:
Use The Honorable Commander Scratchcard and you will get a random gift pack with a value of 99.99$

Note: For more details, click on these cards.