| 摘要 |
<p>PURPOSE: A board book for easily installing a smart phone is provided to combine a first accommodating member and a second accommodating member based on a folding line axis. CONSTITUTION: A content unit(20) includes a display unit(21) and a through unit(22). A first accommodating member(30) receives one end of a smart phone. The first accommodating member includes a first groove unit(31). A second accommodating member(40) receives the other end of the smart phone. The second accommodating member includes a second groove unit. The smart phone is inserted into the first groove unit or the second groove unit.</p> |
