Coming from the house of Gama, this self corrective puzzle is a fun way to learn about various parts of a trumpet. All Trumpet parts come out of their cavities easily by lifting them from their knobs. The kid needs to match the parts to the cavity and put them back in the same place. It is available in dimesnion of 300x300x8 mm and is crafted from MDF, Non-toxic inks, and food-grade plastic. It comes packaged in a strong pouch packaging.