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: inktastic - To Thine Own Self Be True Shakespeare Toddler T-Shirt 1fc1c
Product description: Shakespeare quote Toddler T-Shirt says This above all, to thine own self be true, from Hamlet.
Product feature: Solid color tees are 100% cotton, other are a cotton/polyester Blend., Topstitched rib crewneck, Double-needle stitched sleeves and bottom hem, Printed in the USA, Shipping Information: View shipping rates and policies, ASIN: B07JR18R8K, Item model number: 14-130076-164, Date first listed on Amazon: December 4, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $12.99 - $27.99
Product brand: inktastic
Target attributes: Age Group
Answer: attribute: age group
value: toddler
source: product description
attribute: age group
value: toddler
source: product title
attribute: age group
value: 4
source: product feature