Preferred age: 3 The Puzzle Building Blocks set includes 125 vibrant and versatile pieces designed to inspire creativity and enhance cognitive development in children. These building blocks come in various shapes and sizes, allowing kids to construct a wide range of structures, from simple designs to complex creations. Suitable for children aged 3 and up, this set is perfect for encouraging problem-solving skills, spatial awareness, and imaginative play. Note: Adult supervision is recommended as this toy may contain small parts that could pose a choking hazard.