Wooden Tubes Tied Together to Make an Instrument
Puzzle 3 of Animals with Weird Names Hard Pack
Question is: Wooden Tubes Tied Together to Make an Instrument
and the answer is: PANPIPES
Word Meaning:
PANPIPES — (music) An instrument consisting of a series of ten or more tubes of different lengths, typically closed at the bottom and open at the top, and is played by blowing across the open end at the top.
Definitions from Wiktionary.