This printable bingo card set has 21 unique items on a 4x4 grid. Each card draws from a pool of 21 items, so every player gets a different card.
Leap Year
Additional Day
Intercalary Year
Every Four Years
366 Days
Frog
Women Can Propose
Leapling
4 million Leaplings
Bissextile Year
Romans Introduction
Egyptians Discovery
Extra Day
29th February
1/1,461 chance Leap Day Bday
No pay for extra day
Green
Solar Year 365.25 days
Gregorian Calendar
Divisible by 400
Not Leap Year / by 100