This stuff that you shovel in its own "box" should be the sterilized "play" type
The Japanese 
developer crafts projects noted for their style, edginess, and violence, but once 
you .... You play as a shovel-toting knight who must rescue his partner,... [DOC] [TLE] How to Clean a Sandbox | eBay [PAR] The cover also protects the sandbox from other things, such as leaves and ...