Amazon.com: Alimtois Kids Art Frames, 2 Pack Kids Art Frames Front - Opening Holds 100 A4 Pictures, Kids Artwork Frames Changeable Children Art Projects,Great for Drawings, Artworks Home or Office (White) :
Barn Wood Window Multi Picture Frame 12 opening 4 X 6 – AllBarnWood
Rustic Collage Picture Frame | Five 4x6 Openings
4×6-inch 2-14 Opening Driftwood Picture Frame
Wood Gallery 16-Opening Frames | Pottery Barn
Amazon.com - Openable Kids Art Picture Frames - 2 Pack, Front-Opening Wood Photo Frame Storage Box Wall Display for Kids Drawings, Artworks, Family Prints, Children Art Projects, Schoolwork, Home or Office