Elektrische lamp getrokken op zwarte schoolbord in houten frame - Stockfoto’s en -afbeeldingen

Drawing of a bulb idea on blackboard with wooden frame.

Drawing of a bulb idea on blackboard with wooden frame.

Empty blank green chalkboard with wooden frame with white chalk 3d Illustration

Drawing of a bulb idea on blackboard with wooden frame.

Green board in wooden frame on table

Panel with light bulb

Idea on the Black Board

Empty school blackboard in wooden frame with copy space

Top view of blackboard with back to school inscription and piece of chalk on brown background

Top view of empty blackboard and piece of chalk on brown background

Close up view of blank chalkboard on white brick wall and wooden planks surface

Close up of yellow electric bulb drawn on black chalkboard

Top view of paper rubbish lying around of electric bulb drawn on blackboard

Top view of paper rubbish with electric bulb drawn on blackboard

Flat lay with blackboard with back to school lettering, pieces of chalk, banana, apples and burger on green grass

Top view of fresh apples and blackboard with back to school lettering made of pink and white objects on green lawn