"This pack is a perfect way to jumpstart any learning environment. It was inspired by the needs of our youngest learners and was designed with Pre-K and Kindergarten students in mind. However, you?ll find that it works great for older students as well. Supports six groups of learners. Includes 54 SENSE, THINK, and ACT Cubelets: 6 Battery, 6 Passive, 6 Inverse, 2 Bluetooth, 6 Distance, 6 Brightness, 4 Knob, 6 Drive, 6 Flashlight, 6 Rotate. Plus: 24 Brick Adapters (6 sets of 4), 1 5-port Charger, 5 Charging Cables, 2 Storage Totes"