Combined container, activity tray and mailer

A container comprising:

• a primary container having a bottom wall panel presenting front, rear and side margins, a pair of opposed sidewall panels extending upwardly from the side margins of said bottom wall panel, and a front wall panel extending upwardly from said front margin of said bottom wall panel,
• said primary container presenting an open top defined by the upper edges of said sidewall panels and said front wall panel remote from said bottom wall panel;
• a shelf within said primary container and having a top panel presenting front, rear and side margins, a pair of upstanding shelf side panels secured to the side margins of said shelf top panel and extending downwardly therefrom, so that said top panel is located generally parallel with and in spaced relationship to said bottom wall panel and below the upper edges of said sidewall panels and said front wall panel, and a shelf back wall panel extending upwardly from said rear margin of said shelf top panel,
• said shelf including a pair of connection openings, with each connection opening being disposed adjacent one of the side margins of the top panel and receiving therein a connection portion of the primary container to secure said shelf within the primary container,
• said bottom wall panel and top panel cooperatively defining a storage space therebetween having a rearwardly facing access opening;
• and
• a closure assembly operatively secured to the rear margin of said bottom wall panel and configured to cover said access opening and to extend forwardly to cover said open top of said primary container.