Fourteen is showing the Numberblocks how to somersault and take numbers away. Thirteen practises leaping in the air, taking away some blocks and seeing how many are left.

Discover more about the many different types of birds found around the world with Cam and Sophie the barn owl from One Zoo Three. What are reptiles? Discover the cold-blooded world of reptiles with ...

* indicates a figure with slightly different fieldwork dates from the rest of the row. Wording used – BMG: satisfied/dissatisfied, Deltapoll: well/badly, Find Out Now: well/badly, Focaldata: ...