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

Cute boy looking from behind blank advertising board

Cute boy of school age with blank advertising board

Cute boy of school age with blank advertising board

Cute boy looking from behind blank advertising board

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

Young boy watching a chemical reaction standing wearing safety goggles and a lab coat and holding up a glass test tube

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

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.

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.

Cute boy looking from behind blank advertising board

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

Girl of school age in red glasses sitting at table and typing on keyboard. Little school genius

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

Cute boy looking through magnifying glass against blackboard background