Montessori 2-part traysThese Montessori 2 part trays feature a flashcard holder and two lower sections to put sand or manipulative while studying the flashcard. The possibilities with this tray out endless but great uses include tracing numbers, shapes, letters, and words. Use a tray to create sums for simple math equations or use clay or dough to build shapes, letters, or numbers. It can be used as a sand tray and you can have your pre schooler use their finger to practise