Numberblocks is a British animated children's series created by Joe Elliot that first aired on CBeebies in 2017, using block characters to teach early maths through songs and stories. Clips from the show spread widely on YouTube and in classrooms, where short musical moments are shared by teachers, parents and young fans. The Numberblocks Band performances became especially reusable because each lineup turns a specific number into a simple, singable performance, helping this four themed clip remain popular for edits, lessons and playful counting videos online today.