Ruby Throat 500 Piece Jigsaw Puzzle by SunsOut 500 Piece Jigsaw Puzzle - Completed Size: 19" x 19" - Puzzle Artist: Jim Hansel Interlocking Pieces and Durable Construction: SunsOut jigsaw puzzles feature interlocking pieces that fit securely, making assembly easier and reducing frustration. Ages: 15 years and older - Perfect for adults and seniors. SunsOut puzzles ensure high manufacturing standards ensuring their commitment to quality and customer service. SunsOut puzzles use soy based inks, high quality puzzle board. As this is a jigsaw puzzle: assembly is required and batteries are not required.