Joyeux dessin d'élève souriant au bureau. Portrair à proximité. Le gamin apprend en classe sur fond de tableau. C'était une petite expérience de chimie. Leçon de chimie - Photo & image de stock

A chemistry demonstration. Back to school. Child from elementary school. Portrair close up. They carried out a new experiment in chemistry

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Happy smiling pupil drawing at the desk. Portrair close up. Kid is learning in class on background of blackboard. It was a little chemistry experiment. Chemistry lesson

A chemistry demonstration. Back to school. Child from elementary school. Portrair close up. They carried out a new experiment in chemistry

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Lab microscope and testing tubes. My chemistry experiment. Back to school and happy time. Cheerful smiling little boy having fun against blue wall

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My chemistry experiment. First school day. Child from elementary school. School chemistry lessons. schoolboy. Education. Home schooling. Happy little scientist making experiment with test tube.

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