This trundle wheel makes it easy to measure long distances. The wheel's circumference is 1 meter and every revolution produces an audible click.
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This metric-scale trundle wheel has a 1m circumference and graduations to 1cm.
The wheel clicks each time it completes one revolution making it easy to count off meters as you measure. However, measurements can be taken easily between meters as well. The pointer arrow makes it clear how many centimeters you have measured since the last full rotation. The wheel has a sturdy yoke design and a non-slip tire to make sure your measurements are accurate. It also comes with a removable handle to allow for easy storage.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.