Schattige jongen op zoek achter lege reclame bord - Stockfoto’s en -afbeeldingen

Cute boy looking from behind blank advertising board

Cute boy looking from behind blank advertising board

Smart prioud boy writing a formula on the chalkboard at Chemistry class

Cute boy of school age with blank advertising board

Cute boy looking through magnifying glass against blackboard background

Cute boy looking through magnifying glass over blackboard background

Cute boy of school age with blank advertising board

Schoolboy writing chemistry formula on blackboard in class

Little girl scientist looking through microscope in classroom at chemistry lesson. School chemical laboratory with glass flasks and test tubes. Schoolgirl making experiment in chemistry class.

Cute boy looking through magnifying glass against blackboard background

Cute boy of school age with blank advertising board

Cute boy of school age with blank advertising board

Cute boy of school age with blank advertising board

Little girl scientist looking through microscope in classroom at chemistry lesson. School chemical laboratory with glass flasks and test tubes. Schoolgirl making experiment in chemistry class.

Cute boywith blank advertising board

Little girl scientist examining test tube with chemical reagent. Research and education in school. Schoolgirl making experiment in chemistry class. Pupil in schoolwear on chalkboard background.