Just something nerdy I designed as a project do with kids. Tracking robot kit from Banggood.com(Tracking Patrol Lline Intelligen tRobot Car DIY Kit With Reduction Motor Sale - Banggood USA-arrival notice-arrival notice).
3d printable files for the truck available at myminifactory.com (https://www.myminifactory.com/object/truck-covering-for-tracking-robot-kit-32441)
