7 October 2026
Sheet #37
The five rounds of 7 October 2026, with the real sizes and what each measurement covers.
- 01
Measured Length of a new graphite pencil
A single pencil can draw a line tens of kilometres long.
- 02
Measured Height of an adult male common ostrich
It is the largest living bird: it cannot fly but runs at over 60 km/h.
- 03
ReferenceStegosaurus7 m
To size upCoconut palm25 m
Measured Height of a mature coconut palm
A coconut can drift thousands of kilometres before sprouting.
- 04
ReferenceTelephone box2.51 m
To size upFalcon 970 m
Measured Height of a Falcon 9 launcher
Its first stage flies back and lands upright to be reused.
- 05
Measured Total height of an adult giraffe
Its neck has only 7 vertebrae, just like ours.