What instrument looks like a tuba but is smaller? - Quora
Miniature Tuba – Strum Hollow Music
What instrument looks like a tuba but is smaller? - Quora
MTP MINI Bb-Tuba Mod.Paganini - MTP manufactory - quality since 25 years
Amazon.com: Dselvgvu Copper Miniature Baritone Horn with Stand and Case Mini Musical Instrument Miniature Dollhouse Model Mini Tuba Home Decoration (2.17"x0.98") : Everything Else