Pre-recorded interactive DVDs containing multiple choice quizzes and short films to inform and test on various subjects including, forensic science, ancient civilization, scientists of the renaissance, the development of the personal computer, the human body, the environment, explorers, guns, the postal system and the wheel

'ancient':23 'bodi':37 'choic':8 'civil':24 'comput':34 'contain':6 'develop':30 'dvds':5 'environ':39 'explor':40 'film':12 'forens':21 'gun':41 'human':36 'includ':20 'inform':14 'interact':4 'multipl':7 'person':33 'postal':43 'pre':2 'pre-record':1 'quizz':9 'record':3 'renaiss':28 'scienc':22 'scientist':25 'short':11 'subject':19 'system':44 'test':16 'various':18 'wheel':47

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