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One discovers it's tricky to play tennis when you're the only block in the world. She bumps into a magic mirror and meets another One, and they join forces to make Two. Learn a thing or two about adding with the Numberblocks.
First Air Date : Jan 23, 2017
Last Air date : Sep 04, 2025
Episode : 165 Episode
Season : 8 Season
Runtime: 5:14 minutes
Studio: CBeebies
Country: United Kingdom
Cast:
Crew: Ben Lee-Delisle (Music)
