Music Can Be Fun! The translucent, candy colored Rainbow Recorders are real instruments, not toys. They are made of the same ABS resin material as our regular recorders, and offer the same superior tuning, the same beautiful tone, and the same great durability. They play effortlessly with a rich, full sound, and with their colorful look they make even routine practice fun! - Translucent colored recorders can make practicing more fun for students.They are made of ABS resin and offer the same fine qualities as Yamaha's other ABS resin recorders. - Easy to play with a soft pure tone. This is ideal for beginners. Further details can be found on the Yamaha website.