Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: StonKraft Wooden Chess Board Without Pieces for Professional Chess Players - Appropriate Wooden & Brass Chess Pieces Chessmen Available Separately by Brand (21x21 Rosewood)
Product description: This lovely collectible chess board is hand carved and crafted using the finest Indian Rosewood and Boxwood. Not will this piece art be used to find the GrandMaster in you but it will also adorn a classic and elegant look to your decor. Due to the use of natural wood, actual product might have a natural vein, minor color and/or shade differences in comparison to the shown in the image photos. This chess board comes without any pieces but you can choose to buy from the multiple choices of Chess Pieces from us. We have listed Chess Pieces made of Brass , Marble , Wooden and also of Natural stone. Appropriate size of pieces for this board would be 3.75" King Size. External Size of Chess Board = 21 " x 21 ". Internal Square size of the Chess Board = 2.25 inches approx. To make it easier, we have listed the best compatible Chess Pieces for this board by their respective code numbers which can easily looked up in the search bar B00I2NW04Q .
Product feature: 21" x 21" Professional Chess Board Hand Carved Using Indian Rosewood. Only Board. No Chess pieces., External Chess Board is 21" x 21" square; Internal Chess Board is 2.25" approx, 3.75" King Size would be appropriate for this chess board (Not included), You can choose to buy from the 10+ choices of Chess Pieces (of Brass, Wood, Marble and Stone) from us, Best Compatible Chess Pieces mentioned in the Description Section to save your time
Product price: $119.95
Product brand: StonKraft
Target attributes: Age Group
Answer: attribute: age group
value: None
source: None