Features a mobile operations center， excavator， wheeled dumper， drone， boulder rack and a volcano with an eruption function.;Mobile operations center features a detachable truck cab with space in the back to carry a boulder， rolling wheels and a side that opens to reveal the operations center.;Includes 6 minifigures: a female scientist， scientist with heatsuit， female worker， male worker and 2 adventurers.;Volcano measures over 5 (13cm) high， 6 (17cm) wide and 6 (17cm) deep.