How to use: First, to convert the Optimus Prime toy, take 4 steps to change it from truck to robot mode. For the Grimlock toy, it takes 8 steps to transform it from T. rex to robot mode. To create the Primelock figure, follow 6 steps to crash and combine the Optimus Prime and Grimlock figures. You can also combine these figures with other Crash Combiners figures (sold separately) for different battle set - ups. Important notes: This toy is for kids aged 6 and above. Since there are small parts that may be generated, it's not suitable for children under 3 years due to the choking hazard. Maintenance: Keep the toy in a dry place and avoid rough play to prevent breakage. If the toy gets dirty, you can use a soft, dry cloth to clean it.