Φωτεινό χρωματιστό άβακα χεριών. Παιδικό ξύλινο παιχνίδι για τη μελέτη της αριθμητικής - Φωτογραφίες & Εικόνες Αρχείου

An abacus stands on the desk of a children's classroom.

Childrens wooden multi-colored toy. Eco-friendly development toys

Colorful Abacus Macro isolated on white

Closeup female hand calculating with balls on wooden rainbow abacus for number calculation. The concept of learning arithmetic for preschoolers

Bright colored hand abacus. Childrens wooden toy for the study of arithmetic

Closeup female hand calculating with balls on wooden rainbow abacus for number calculation. The concept of learning arithmetic for preschoolers

Bright colored hand abacus. Childrens wooden toy for the study of arithmetic

Top view of flatlay from eyelash extension tools. Female hand holds colored brushes for combing cilia

Sterile instruments are in the dentists office. A mirror, tweezers, a probe and a jaw layout are on the orthodontists table. Oral hygiene, caries prevention, examination

A woman uses a voting device for blind and visually impaired citizens

A womans hand sticking out of a hole from a blue background shows a thumbs up