Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Bicycle Panthera Playing Cards by Collectable Playing Cards - Trick by Mike Guistolise
Product description: You can almost hear the roar of the tiger in each one of Bicycle's hand drawn Panthera Playing Cards . Get them before they are extinct. Each original card is hand drawn and printed by the United States Playing Card Company on their classic Air-Cushion
Product feature: Recommended for ages 12 and above., Great GIFT for the magic hobbyist or professional, Shipping Weight: 0.35 lbs
Product price: $10.38
Product brand: Mike Guistolise
Target attributes: Maximum Players
Answer: attribute: maximum players
value: None
source: None