Keep your Tool Set Trolley at the ready if there are renovations to do. Everything needed to easily transport your construction gear, then transform it into a workbench area for sawing and drilling. Plastic case expands from 23.5 x 6.25 x 16.5 inch tall to 18.5 x 17 x 23.5 inch tall. An adult's help is needed to reconfigure the set. Adult assembly required.