Click or scroll to zoom Tap or pinch to zoom Trundle Wheel with Counter $59.90 SKU LTW 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart An easy-to-use measuring tool that calculates the distance from one point to another. One revolution of the wheel equates to 1m of distance traveled. Features makes a click sound after travelling 1m. Specifications Size 100cm x 33cm. Reviews Content for tab 3.