Un niño de apariencia europea con camisa blanca y corbata realiza experimentos biológicos bajo un microscopio en un laboratorio. Mira a través de un microscopio. - Foto e imágenes de stock

A boy of European appearance in a white shirt and tie conducts biological experiments under a microscope in a laboratory. Looks through a microscope.

A boy of European appearance in a white shirt and tie conducts biological experiments under a microscope in a laboratory. Looks through a microscope.

Cute Kid playing with colorful plasticine at the School Desk

Cute little boy lying on floor and playing with construction plastic toy blocks

Cute blonde toddler is playing with kinetic sand, a great educational activity to develop fine motor skills in young children