Fiú és lány fehér bevon és védő szemüveg állt össze közelében Palatábla és mosolyogva kamera, tudományos iskola koncepciója - Stock fotó és kép

Two kids at the chemistry lesson looking throungh microscope

Happy child holding flask and writting on blackboard in chemistry class.

School experiment. School for gifted children. Girls school uniform excited proving their hypothesis. School project investigation. Gymnasium students with in depth study of natural sciences.

Two cute children at chemistry lesson making experiments isolated on white backgroun

Happy children holding flask in chemistry class. Children written on chemistry blackboard.