Puppy Dog Japanese Erasers. 2 Pack. Pink by PencilThings. $2.00. Take-apart erasers and put them back together again and again!. Also available in assorted colors.. Non Toxic. IWAKO erasers.. These erasers are perfect collectables, party favors, special events, souvenirs for offices, schools, teams and weddings, corporate gifts, and accessory pieces for doll houses. They are fun mini puzzles, as well, because each different colored piece (itself an eraser) detaches.