Schattige jongen in de leerplichtige leeftijd met lege reclame bord - Stockfoto’s en -afbeeldingen

Cute boy of school age with blank advertising board

Cute boy looking from behind blank advertising board

Cute boy looking from behind blank advertising board

Genius boy in red glasses near blackboard with formulas

Thinking boy dressed up as business man with science or chemistry formula on blackboard background

Genius boy in red glasses near blackboard with formulas

Hand up answer boy dressed up as business man with science or chemistry formula on blackboard background

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

Pointing boy dressed up as business man with science or chemistry formula on blackboard background

Cute boy looking through magnifying glass over blackboard background

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.

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.

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.

Funny big-headed student with tablet on chalkboard background

Cute boy looking from behind blank advertising board

Schoolgirl sitting at desk with open book. Happy girl scientist studying in classroom with chalkboard. Chemical laboratory with glass flasks and test tubes. Clever girl in schoolwear reading book on

Little girl scientist examining test tube with chemical reagent. Research and education in school. Chemical laboratory with microscope and glass flasks. Schoolgirl making experiment in chemistry class