Lego set features mine with safe door and conveyer belt train and track crane has a rotating cabin drill features spinning function includes 4 minifigures accessories include hazard lights wheelbarrow 3 dynamite packs 2 detonators 2 rocks each with 6 gold nuggets 36 small rocks recommended minimum age 6 years recommended maximum age 12 years pieces 748 series city themes construction site crane dimensions 582 x 87 x 378 cm characters team leader