Книжки-гармошки. Это что такое?

Bi-bi, bum-bum, chukh-chukh Otkuda eti zvuki? Na voprosy malenkogo issledovatelya otvetit yarkaya kniga Eto chto takoe? serii Knizhki-garmoshki. Krasochnaya knizhka-igrushka prednaznachena dlya razvitiya myshleniya i rechi u detey v vozraste ot 1 goda. Ona obyazatelno zainteresuet Vashego malysha i prineset emu radost blagodarya neobychnoy forme i krasochnomu oformleniyu. Rassmatrivaya krupnye kartinki, malenkiy chitatel bez truda zapomnit, kakie zvuki izdaet mashina, baraban, parovoz i t. d. Knizhka-garmoshka imeet udobnyy format ee legko derzhat v malenkikh detskikh ruchkakh, a eshche vsegda mozhno vzyat v poezdku ili v gosti, ukrasit s ee pomoshchyu detskuyu komnatu ili uchebnyy ugolok.