Vreugdevolle preadolescente kinderen die trainen met halters en vrolijk glimlachen voor de camera, sport - Stockfoto’s en -afbeeldingen

Cute children training with colorful dumbbells

Laughing preteen kids posing with sport equipment

Multiethnic children raising hands up together in gym

Preteen children jumping with skipping ropes in gym

Group of laughing kids standing in gym with hands up

Excited boys doing exercise with dumbbells together

Selective focus of multiethnic children with outstretched hands doing lunges in gym

Kids in bright clothes stretching on fitness mats

Children in roller skates drinking water on skating rink

Group of kids laughing and holding hands

Children raising hands up and expressing happy emotions

Happy schoolchildren raising hands and looking at camera in stem class

Children talking while putting on roller skates

Happy schoolchildren with raising hands standing at desk with plastic robots and details in stem class

Group of smiling children in roller skates listening to trainer instructions

Kid in sportswear showing muscles on yellow background