Features: 1. Endless fun There are countless ways to play with this wooden puzzle set that promotes creativity and independent learning while creating beautiful patterns and artwork. 2. Perfect gift for teaching For students puzzle child, tangram wood can be used to teach counting, sorting and recognition of colors and shapes. In addition, pattern blocks can help with geometry, pattern recognition, symmetry, etc. Package contents: 1. Wood tangram 155 pieces 2.24 model cards 3.1 drawstring storage bag Please note: 1. Montessori puzzle consists of small parts. Never tour them for accidental choking or swallowing 2.Do not use deformed or damaged toys or use them roughly. This is a threat of musty due to this product is made from natural materials. 3. Maintenance: Handle with care and avoid desiccation.