Breezy is an interactive respiratory training and oxygen therapy device designed for children. It combines engaging breathing exercises with continuous oxygen flow, enhancing lung function recovery for conditions like chronic asthma or post-pneumonia recovery. The device features real-time lung capacity monitoring, automatically adjusting oxygen flow, and providing dynamic light feedback as a visual reward. Kids can enjoy a fun, game-like experience as lights brighten with each successful exhale and unlock rewards like spinning windmills or blooming flowers, making treatment both enjoyable and effective.