Ashbourne is a market town in the Derbyshire Dales district in Derbyshire, England, 14 miles west of Derby. Its population was measured at 8,377 in the 2011 census and was estimated to have grown to 9,163 by 2019. From Wikipedia
Bomb disposal experts determined the device, brought without parental knowledge, was safe as authorities urge vigilance over show-and-tell items.