Colorful Abacus Beads
Palabras clave
abacus,
education,
toy,
colourful,
counting,
bead,
wooden,
red,
school,
mathematic,
count,
mathematic,
wood,
yellow,
colours,
learning,
business,
calculating machine,
green,
children,
blue,
accounting,
tool,
bead,
background,
balance,
arithmetic,
white,
calculation,
sheet,
object,
traditional,
chinese,
student,
learn
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