(57) A toy vehicle adapted to show a sign which appears to flash, comprising a sprung body (12), a lower frame or chassis (2) mounting at least one wheel axle (3, 4) in sprung manner, the sprung wheel axle carries a driving pinion (58), actuating means comprises a driven pinion (24a) normally disengaged from the driving pinion but engageable on pushing the body down against the spring (7), and a member (28) which moves cyclically on rotation of the actuating means to simulate flashing of a sign (51) supported on the body.