What happens when you crash and combine forces with Transformers: Robots in Disguise Optimus Prime and Strongarm figures? No, not a traffic jam. You get an awesome 2-bot Lunar Force Primestrong Crash Combiner figure! This Crash Combiner 2-pack features one Optimus Prime figure and one Strongarm figure. Crash these figures together in one awesome step to form a Lunar Force Primestrong combiner robot. These figures work with other Crash Combiner figures to form different 2-bot combinations. The Optimus Prime figure converts from robot to truck in 4 steps; Strongarm figure converts from robot to police car in 4. Scan the Autobot shield in combiner mode to unlock the Lunar Force Primestrong character in the mobile app. When Primestrong heads to the moon for a critical mission, the Combiner uses undetectable Lunar Force camouflage. Combine forces and join the battle with these figures based on the Transformers: Robots in Disguise animated series. Ages 6 and up.