Build your own fantastic musical instruments: each 16-piece set can fit together to create all the combinations that your fantasy suggest you. Trumpets, Funny-Flutes, Fanta-Saxophones... will all produce whimsical music as you play them as real instruments. Totally unbreakable, made of top-quality ABS plastic. Compatible with other tubular constructions from Quercetti. Sold as 2 complete sets for a total of 32 pieces.