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