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. Features   Yamaha delivers safe and reliable productsFrom raw materials selection to manufacturing processes, we pay the closest attention to produce Yamaha recorders with safety and reliability.- Our ABS recorders comply with the following regulations related to the production and use of chemical substances.(as of Feburuary, 2013)          *Japan: Food Sanitation Law          *Europe: REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)          *USA: CPSIA (Consumer Product Safety Improvement Act)- Manufacturing at factories with ISO quality certifcation.- Ultrasonic adhesion technology used in assembling parts of soprano and alto recorders instead of adhesive bonding. Cotton Case BagsThe recorder cases are made from environmentally friendly natural cotton.     Fingering SystemsYamaha offers a choice of either German (Left) or Baroque (Right) fingering systems on many models to accommodate local preferences and traditions.     Windway ShapesThere are two different windways.- Straight WindwayEasy to play with a soft pure tone. This is ideal for beginners.- Arched WindwayIt has a slight resistance when you play for better breath control which gives greater tonal expressiveness and projection.     Specifications   Key: CSystem: BaroqueWindway: StraightToneholes: DoubleBody Sections: 3Material: ABS resin (Blue)Other: -Accessiories: Fingering Chart