The idea behind LEGO Crazy Action Contraptions is great. My grandson was able to start building right away. The only problem was it took 3 boxes before we had a complete set. CBD was great sending out the new sets and we finally did get a complete set.
We bought this for our four-year-old grandson. Though he is pretty young for something of this complexity, he is really enjoying it. He loves to build things and is very imaginative. He and his daddy have been having great fun making each project.