Three sticky notes with question marks on a colorful background
Palabras clave
sticky,
note,
question,
mark,
colourful,
background,
orange,
blue,
yellow,
note,
pink,
office,
supply,
question,
paper,
adhesive,
stationery,
puzzle,
researching,
doubt,
curiosity,
uncertain,
reminder,
concept,
abstract,
colours,
contrast,
learning,
education,
problem,
solving,
symbol,
unknown,
cognition,
thinking