This is a set of 3 Fukimodashi (blow-out) toys for long breathing exercises. It's for preventing mouth breathing, practicing abdominal breathing, and exercising the muscles around the mouth and for speech therapy. The set includes levels 0, 1, and 2. All items are unused. Online, a box costs around 3000 yen. Please understand that these have been stored at home, so only purchase if you are okay with that.