computer programs, computer peripherals and cables, plastic building elements, motors, lamps, sensors, use manuals, building instructions and curriculum guides, all sold as a unit for teaching principles of science, design, mathematics and engineering and for developing problem solving skills; educational computer software therefor sold separately; and computer cable sold separately

'build':8,15 'cabl':6,48 'comput':1,3,41,47 'curriculum':18 'design':30 'develop':36 'educ':40 'element':9 'engin':33 'guid':19 'instruct':16 'lamp':11 'manual':14 'mathemat':31 'motor':10 'peripher':4 'plastic':7 'principl':27 'problem':37 'program':2 'scienc':29 'sensor':12 'separ':45,50 'skill':39 'softwar':42 'sold':21,44,49 'solv':38 'teach':26 'therefor':43 'unit':24 'use':13

educational construction toy sets comprising base plates, gears, pulleys, beams, axles, electric motors, lamps, sound generators, sensors, and plastic bricks

'axl':11 'base':6 'beam':10 'brick':20 'compris':5 'construct':2 'educ':1 'electr':12 'gear':8 'generat':16 'lamp':14 'motor':13 'plastic':19 'plate':7 'pulley':9 'sensor':17 'set':4 'sound':15 'toy':3

computer hardware and software manuals and educational curriculum guides

'comput':1 'curriculum':8 'educ':7 'guid':9 'hardwar':2 'manual':5 'softwar':4

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