An educational device for recording children's achievements in performing tasks or the like. The device is comprised of a housing having a plurality of horizontal rows of sight openings. Underlying marking strips present in the first opening in each row a pictorial or word designation of the task or achievement while the following openings present a blank markable portion of the strips registered with a series of openings representing different time periods, such as days of the week, and end openings provide a summation portion of the strip. The housing has slots receiving the marking strip registrable with the rows of openings in the housing. The strip is viewed through the housing openings. Additional marking strips are carried in storage slots behind the slideout marking strip. For simplicity in construction and to provide adaptability in size and capacity, the housing is formed in a modular fashion with each row of housing openings and the slots for the slide-out strips being contained in separate modules.
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