Hot Wheels Car Maker Protoshotz Wax Sticks 3 Pack Refills Variety Pack 15 Sticks Total Includes 15 sticks in different colors to create even more unique cars! Protoshotz wax sticks are designed to work with the Hot Wheels Car Maker (sold separately) Turn a stick of wax into a fully functioning Hot Wheels vehicle in a matter of minutes! Wax sticks are inserted into the machine along with a mold and, once cooled, produce a custom-made Hot Wheels vehicle Expand your collection of tailor-made Hot Wheels vehicles