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: No Tools Rain Saving Device Gourmet Rubber Stamps Cling Stamps 2.75-inch x 4.75-inch-The Ears are The Best Part
Product description: Gourmet Rubber Stamps-Cling Stamps. The makers of high-quality rubber stamps and products for the craft industry. This delicious line of product is sure to inspire creativity in all who use them. High-quality stamps with deeply-etched rubber backed on 1/8 inch thick cling mounting cushion. This package contains The Ears Are The Best Part: one 2-1/8x2 inch cling rubber stamp. Made in USA.
Product feature: Non-toxic stamps, Suitable for arts and crafts projects, Made in USA, Designed for easy usage and storage, Adds texture and style to your projects, International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Manufacturer warranty may not apply, Learn more about Amazon Global Store.
Product price: $10.44
Product brand: No Tools Rain Saving Device
Target attributes: Material
Answer: attribute: material
value: rubber
source: product title
attribute: material
value: rubber
source: product description