I bought Dunkan Bulk for my son (4 years) as a gift, after he'd seen one at his school. He loved it straight away! He needed some help putting it together, but he wasn't far off being able to do it himself, despite being a 6+. The figure is great, with a great range of movement and is comparable in size to his Power Rangers, etc., so he can play with them all together. My husband and I like this toy because it's clear that all the Hero Factory toys have interchangeable parts. We're looking forward to buying more for my son, so he can also build his own figures!