monster jam grave digger 24-volt battery powered ride-on car outside toys  the monster jam grave digger 24-volt battery-powered ride-on is ideal for any fan. it is designed with oversized wheels and quick handling. this 24-volt grave digger ride-on has two seats, so kids can share in the fun. your child is sure to enjoy this fun toy. it comes with a two-speed gearbox with high and low settings, as well as forward and reverse. it has big wheels with an authentic tread pattern on all four tires for maximum traction. the monster jam grave digger 24-volt battery powered ride-on has an engine start sound, as well as a functioning horn and front lights.