can reposition themselves or even disembark safely if desired; safety sensors that detect if anything is potentially obstructing the ride's movement and stop the ride accordingly until the obstruction is removed; overload sensors that stop the ride from moving if the weight limit on the ride is exceeded; a slow start/stop action so as not to shock or frighten younger riders. To attract attention, most rides occasionally flash their lights or play a sound, or both, at set intervals, although many older rides, as well as low-cost, or knockoff, rides do not have an attract mode. Some rides may, as mentioned above, narrate a story through sound or using a video monitor, the latter providing limited interaction with the video displayed. Common themes Arthur Batmobile Barney the Dinosaur Bear in the Big Blue House Boat Brum Bumble Bee Bunny / Rabbit Bus Campervan (Introduced by the TV programme Sooty & Co.) Cifford the Big Red Dog (Introduced by the TV Program Clifford the Big Red Dog) Digger (Introduced by the TV programme Bob the Builder as Scoop) Dinosaur (Dino from The Flintstones or not) Dog Dolphin Elephant Fire truck Garfield Helicopter Horse or pony - Perhaps the most popular kiddie ride. Ice cream truck Jay Jay the Jet Plane Jeep Jumbo jet or other airplane Ladybug or Caterpillar Larrymobile Mickey Mouse Miniature carousel Motorcycle Muppet Babies My Little Pony Panda (usually in the form of a small ship with a panda sitting facing the rider) Peacock Police car Police motorcycle Post van (introduced by the TV programme Postman Pat) Roller coaster Sailor Moon School bus Sesame Street Space Shuttle SpongeBob SquarePants Sports car Stagecoach Steam Roller (Introduced by the TV programme Bob the Builder as Roley) Swan Taxi Teletubbies Thomas & Friends Tractor Train (usually stationary and not on a track, but train kiddie rides that move on a small track do exist) Types of rides Track rides Track rides are usually rides in the form of a train on a track; in most coin-operated train-type track rides, the coin mechanism is on the locomotive unit of the ride and it can seat two to three toddlers. In general, the ride is powered by a low-voltage current passing through the tracks but sometimes the rides are powered by batteries. Most versions of these rides are specifically designed to carry young children, due to the low-voltage used and the size of