The price of Blue Heart puzzle boards varies due to factors such as brand, specifications, and materials. Market research indicates that some brands' Blue Heart puzzle boards are more expensive, like the 1.9mm Dutch-imported Blue Heart Frog blue paperboard for puzzle toys and game cards, which can cost up to 8,600 yuan.Blue Heart Puzzle Boards are widely used in the fields of puzzle toys and game cards. They are not only excellent aids for children's intellectual development and entertainment but also a great choice for adults' leisure and recreation. Moreover, Blue Heart Puzzle Boards can also be applied in various fields such as education, advertising, and decoration, including creating teaching puzzles and advertising display boards.