Amazon.co.jp: Kamio Japan 301274 Disney Ruler, 6.7 inches (17 cm), Slim, Made in Japan : Office Products
Wooden Ruler Growth Height Chart Ruler for Measurement for Kids, Boys + Girls | Natural Schoolhouse Ruler with Inches - 63" Long x 6.7" Wide 54.95 - Quarter Price
6.7 inches (17 cm) Slim Ruler with you animal/Shark : Office Products - Amazon.co.jp