Remote control cars for kids, sized and built for children rather than hobbyists. Simple one-hand grip remotes for children just starting out, app-controlled die-cast racers for those who want more, and alloy-bodied minis that survive being driven into skirting boards.
RC cars build hand-eye coordination and spatial judgement, and they get children moving around a room rather than sitting still. Most sets here suit ages 3 and up, with the more demanding controls flagged for 6+. Many are USB rechargeable, so you’re not buying batteries every fortnight.