The bird and frog Iwako Japanese erasers share the same header card. These cute erasers come from Iwako in two different sixty eraser master box assortments. One assortment comes with the pink bird eraser, blue bird eraser and yellow bird eraser. The second Japanese eraser assortment contains the three colors of the bird erasers and pink frog eraser, yellow frog eraser and green frog eraser. The third assortment contains the yellow frog eraser, pink frog eraser and green frog eraser. Best sellers in this eraser group are the green frog erasers and blue bird erasers. The slowest seller is the yellow frog Japanese eraser.