Features one Optimus Prime figure and one Grimlock figure. Crashing figures together creates a Primelock robot. Optimus Prime figure converts from robot to truck in 4 steps; Grimlock figure converts from robot to T-Rex in 8. Scan the Autobot shield in combiner mode to unlock the Primelock character in the app. Crash combiner primelock figure. Optimus prime and grimlock figures combine to form primelock figure. Crash and combine figures in 1 awesome step. Works with other crash combiner figures (each sold separately). Scan the shields to unlock the character in the app. Size H8.9cm. For ages 6 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult.