The Evo Classroom Kit comes with 18 Evo robots, (NOTE: One of our kits has 17 Ozobot Evo devices.) chargers, and pens. K-12 students can code Evo two ways: screen-free with Color Code markers and online with OzoBlockly visual programming. Ozobot Classroom software unlocks teacher training, lesson library access, and real-time information about student engagement for both online and offline student activity.  Evo is a desk-friendly robot packed with tech, including: • Bluetooth® Low Energy (30 ft. range) • Ozobot Classroom connectivity • Proximity sensors* • Optical sensors* for detecting lines and Color Codes • LED lights* • Built-in speaker* • Strong polycarbonate shell • New feature firmware updates • Rechargeable LiPo battery (60 min. charge time)