Iwako Japanese Eraser / 6 pcs Drink Set by Iwako. $4.98. 6 pieces of Iwako drink eraser set. Set includes 3 drink cans (green tea, chipmunk's happy choice and shocking vegetable juice) and 3 drink bottles (baby milk, orange juice and grape juice). Environmentally friendly, lead-free recyclable puzzle erasers from Japan! You can take apart these cool Japanese erasers and put them back together over and over again.