Caucasian toddler boy feeling bored and tired while playing with abacus at kindergarten

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• addition
• abacus
• daycare
• nursery
• preschool
• kindergarten
• kids learning
• child education
• child development
• angry child
• math
• counting
• playing
• toddler
• kids playing
• angry
• toys
• kids toys
• childhood
• difficult
• boy
• children
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