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It's all in the balance as the Numberblocks try to make it across a very wobbly bridge. Learn about adding with the Numberblocks.
First Air Date : Jan 23, 2017
Last Air date : Mar 18, 2024
Episode : 135 Episode
Season : 6 Season
Runtime: 26:14 minutes
Studio: CBeebies
Country: United Kingdom
Cast:
Crew: