Lightweight Modular Carts move effortlessly over thresholds making it easy to share sets of devices throughout a school. This Modular Cart can charge and store up to 24 devices (depending on case size). With a tub-to-tub locking mechanism, the tubs lock together securing all the devices in the cart. For use within a classroom or placed in a central location where individual tubs can be signed out. See chart in attachments for compatibility, item number FTT699. ****Special Order Item****