Close-up of a sheet where various sudoku-type hobbies are printed
Palabras clave
game,
entertainment,
pastime,
sudoku,
logic,
leisure,
hobby,
number,
fun,
crayons,
crossword,
white,
brain,
mathematic,
education,
popular,
patience,
time,
difficult,
challenging,
school,
number,
mathematical,
mathematic,
concept,
challenge,
newspaper,
unfinished,
solving,
play,
puzzle,
row,
brain teaser,
mind,
relax,
closeup,
page,
teaser,
activity,
grid,
column,
problem,
addictive,
incomplete,
erudition