CBeebies/Numberblocks

Cast

 * One (from Numberjacks) as 1
 * Cookie Monster (from Sesame Street) as 2
 * Grover (from Sesame Street) as 3
 * Amma (from Bing Bunny) as 4
 * Toto (from Yoko Jakamoko Toto) as 5
 * Uki (from Uki) as 6
 * Rabbit (from Uki) as 7
 * Po (from Teletubbies) as 8
 * Bing (from Bing Bunny) as 9
 * Squirrel (from Uki) as 10