The five music objects from the Size It Up puzzle on September 15, 2026, with the measured size of each, the reference it was compared against, a source you can check, and how the community's guesses landed. Want the surprise first? Replay this puzzle — archived days never touch your streak.
ROUND 1
Trumpet — 48 cm
Answer: a trumpet measures 48 cm (length / span), which is 1.1× as big as the reference, a computer keyboard at 44 cm.
About 1.5 m of tubing, wrapped into 48 cm of instrument.
Common miss: players tend to compress a trumpet when it sits beside a computer keyboard — big things get squeezed, small familiar things get stretched.
Answer: an acoustic guitar measures 1 m (height), which is 1.1× as big as the reference, a dining chair at 90 cm.
A dreadnought is about a metre long, but only 65 cm of that is vibrating string.
Common miss: players tend to compress an acoustic guitar when it sits beside a dining chair — big things get squeezed, small familiar things get stretched.
Answer: a concert tuba measures 1 m (height), which is almost exactly the same size as the reference, an acoustic guitar at 1 m.
Up to 5.5 m of tubing, wrapped into about a metre of instrument.
Common miss: players tend to inflate a concert tuba when it sits beside an acoustic guitar — big things get squeezed, small familiar things get stretched.
Answer: a concert harp measures 1.9 m (height), which is almost exactly the same size as the reference, a refrigerator at 1.8 m.
Forty-seven strings holding close to a tonne of combined tension.
Common miss: players tend to compress a concert harp when it sits beside a refrigerator — big things get squeezed, small familiar things get stretched.
Sizes are measured along the axis named in each round and link to their published source. Explore the full library by category, or read how scoring works.