Like solve the puzzle? Like big monster? Robot Thunder Dragon is the best one for you！Make your own machine dinosaur and it will be invincible! Get ready for the robot war!

You should maintain the accuracy of stitching at every step, otherwise you are difficult to pass!

Key Feature:
- Get the pieces out of the box.
- Create a big robot monster.
- Show your cool skill in the city.

Welcome to install the official version of the Mechanical Monster Series game, after the completion of this huge monster assembly, you will see how powerful it!