This LEGO Classic building set is compatible with all LEGO construction systems, making it suitable for preschool and elementary classrooms. The set promotes open-ended creative play for children ages 4 and up. Online resources, including building instructions and inspiration, are available to extend the building experience. The set comes in a durable yellow suitcase with sorting compartments for easy organization. The suitcase measures 10" (26cm) high, 11" (28cm) wide, and 2" (6cm) deep and contains 213 LEGO pieces. Its portable design allows children to build and play anywhere.