educational service, namely training in the use of color-coded blocks of various colors and sizes representative of sequential digits

'block':12 'code':11 'color':10,15 'color-cod':9 'digit':21 'educ':1 'name':3 'repres':18 'sequenti':20 'servic':2 'size':17 'train':4 'use':7 'various':14

educational kit, namely color-coded blocks of various colors and sizes representative of sequential digits by which pre-school and elementary school children are visually taught addition, subtraction, multiplication, and division

'addit':29 'block':7 'children':25 'code':6 'color':5,10 'color-cod':4 'digit':16 'divis':33 'educ':1 'elementari':23 'kit':2 'multipl':31 'name':3 'pre':20 'pre-school':19 'repres':13 'school':21,24 'sequenti':15 'size':12 'subtract':30 'taught':28 'various':9 'visual':27

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