Japanese Eraser Iwako Good Healthy and Bad Cavity Teeth Pencil Topper Set of 4 (3 White/3 blue/3 pink/3 yellow), to teach good Oral Health Hygiene - Tooth Fairy Reward! by Iwako. $8.74. Basket Fillers. Doll House and Cake Decorations. Incentive Gifts. China Cabinets Decorations. Parties Favors and Dental Office gifts to kids. Eco friendly and non toxic, novelty items and yet real erasers. Very collectible too!