MagnaPlay Magnetic Wooden Alphabet Picture Puzzle 52 self-checking sturdy wooden tiles with full magnetic backing. Children develop multi-disciplinary skills such as alphabet identification, sorting, word building and spelling on their own. Colorful pictures on the tiles will capture the attention of small children and make learning a fun experience. Designed to be used with the MagnaKase, a magnetic activity and storage case. Certified to comply with the Consumer Product Safety Improvement Act of 2008.