DAILY NO. 30 · VERIFIED MEASUREMENTS
The five sports objects from the Size It Up puzzle on October 21, 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.
The October 21, 2026 puzzle ran from a golf ball at 4.3 cm to an Olympic swimming pool at 50 m — 3 orders of magnitude apart, drawing on sports. The pair furthest apart was round 1: a golf ball is about 1.9× smaller than an apple.
Answer: Golf Ball — 4.3 cm. A golf ball measures 4.3 cm (length / span), which is about 1.9× smaller than the reference, an apple at 8 cm.
A golf ball cannot be smaller than 42.67 mm in diameter.
Common miss: players tend to inflate a golf ball when it sits beside an apple — big things get squeezed, small familiar things get stretched.
Answer: Baseball Bat — 86 cm. A baseball bat measures 86 cm (length / span), which is about 1.4× smaller than the reference, a 55-inch television at 1.2 m.
A common adult bat is 34 inches long.
Common miss: players tend to inflate a baseball bat when it sits beside a 55-inch television — big things get squeezed, small familiar things get stretched.
Answer: NBA Basketball — 24.3 cm. An NBA basketball measures 24.3 cm (length / span), which is almost exactly the same size as the reference, a birthday cake at 25 cm.
An NBA ball is regulated by circumference, about 75 cm, which works out to just under 25 cm across.
Common miss: players tend to inflate an NBA basketball when it sits beside a birthday cake — big things get squeezed, small familiar things get stretched.
Answer: Olympic Swimming Pool — 50 m. An Olympic swimming pool measures 50 m (length / span), which is about 1.4× smaller than the reference, a Boeing 747 at 70.7 m.
An Olympic pool is exactly 50 metres long.
Common miss: players tend to inflate an Olympic swimming pool when it sits beside a Boeing 747 — big things get squeezed, small familiar things get stretched.
Answer: Tennis Racket — 68.5 cm. A tennis racket measures 68.5 cm (height), which is about 1.3× smaller than the reference, a dining chair at 90 cm.
The rules allow up to 73.7 cm, but almost every player uses something just under 69 cm.
Common miss: players tend to inflate a tennis racket when it sits beside a dining chair — 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.