My 8-year old son likes this and I wish every kid or kidult also likes this. Mind you... it rolls. In each of the big wheels made of black plates there hides 4 real tiny wheels. In the first glance these wheels (16 in total) can't possibly support this giant vihecle but the headache is resolved with the proper use of technic liftarms. Want to see it rolls? Watch this: https://www.facebook...&type=3 This link below shows how the wheels are made. Sorry, I don't have much time to write in the meantime. This website is in Chinese but the pictures speak themselves: http://www.minifigs....highlight=Mater