Amazon.co.jp: Walking Aid, Elderly Roller Adult Walker, Lightweight Adjustable History Walker, Foldable Aluminum Graduated Mobility Aid (Color: 1) : Health & Personal Care
Amazon.co.jp: Roller Walker Compact Walker, Folding Walking Frame, Aluminum Walker with Storage Bag for Elderly with Trigger Release : Health & Personal Care
Amazon.co.jp: Mini 4WD Parts Set of 2 2 Tier Aluminum Roller 0.5 - 0.5 inches (13 - 12 mm) (Blue) : Toys & Games