Since 1891 we've been making the finest puzzles and it's our attention to detail, which makes Ravens burger the world's greatest puzzle brand.Experience a puzzle quality your child can grow with - piece by piece.Ravens burger puzzle pieces are extra durable to withstand the demands of little hands.Our puzzles help your child to develop hand-eye coordination, fine motor skills, problem solving, shape recognition, memory, task completion and independent play.According to psychologists a child's brain development is positively influenced when a child acts on or manipulates the world around him or her.Puzzles provide that key opportunity.