For more, download the official Numberblocks apps; Episode 13: The Two Tree- Nine and Ten play a game of counting down in two’s. Episode 14: Numberblock Castle- One, Two, Three and Four explore the adventurous challenges of Numberblock Castle… What will they encounter along the way? Episode 15: Ten Green Bottles- Ten leads the Numberblocks in counting down how many green bottles are on the wall. Official website; As seen on CBeebies! Watch Numberblocks full episodes on BBC iPlayer: Subscribe for more Numberblocks: Visit the Numberblocks on; Twitter: @numberblocks Facebook: Instagram: @numberblocks We are the Numberblocks! Little blocks with big ideas, having a ton of number fun. Learn how to add, subtract and count the fun and educational way! In this educational CBeebies cartoon for kids, children can learn how to count with basic maths sums, using addition and subtraction with singular blocks that join together to make increasingly bigger numbers. #Numberblocks #LearnToCount #Mathsforkids