Features: Classroom engagement with 100 vibrant rubber ducks in this acrylic resin jar, a creative behavior management tool that motivates students through playful rewards and group activities. Each 2 inch duck features acrylic/resin and colors, designed for repeated handling in educational environments while maintaining shape and washability. Ideal for K 12 teachers, special educators, and homeschoolers seeking interactive to maintain student focus during lessons, group projects, or behavioral reward systems. Perfect for organizing classroom teams, conducting math counting games, rewarding participation in language classes, or creating STEM sorting activities across to middle school grades. These multifunctional ducks transform routine lessons into memorable experiences, serving as learning for color recognition, counting practice, and cooperative skill development. Specifications: Parametersecond: Each organ of sight screen can continuously release fog for about 20 periods, and the temperature rest at about 40°C, that is suitable for most "public's" comfortable temperature extent. Package Includes: Classroom Management Toolx100 note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.