the amusement kiddie rides (http://www.amusementkiddierides.com)excavator is a popular and interesting amusement rides, mainly designed for kids, but adults can also play with the kids. for the rides working, if owners want to set them indoor playground, play with the ocean balls are more clean and interesting, while outdoor side, play with sand or earth will be a good choice. and for the kids excavator, it can rotate 360 degree,180 degree,90 degree and 60 degree also can be made of no rotaion. colors can be customized according to your requirements.