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• Using 16 interconnecting tubes， including a mouthpiece， trumpet end and twisting tubes kids get to plan out， build， and actually play their very own colorfully wacky instrument!
• Build your own trumpet， saxophone， flute or any other wild creation you can dream up. Learn how different configurations change sound/pitch and how to troubleshoot if your horn isn't making noise.
• Both of the green pipes feature holes you can plug to actually change the notes you play! A great way to introduce toddlers aged 2 and up to the joys of music and the thrill of pure creativity!
• Made entirely of top-quality ABS plastic this building set is unbreakable and meets the highest safety standards. Quercetti has been proudly manufacturing toys in Italy for 65 years.
• Contents include: 3 straight tubes with holes， 1 whistle， 1 trumpet end and 11 straight tubes and L-shapes in 2 colors. Fully compatible with other tubation building sets (sold separately).