I bought this for my 5 year old son. But all 5 of my kids had fun playing with it, even my 13 year old son had a few go's. It is fairly simple to use, but my 4 and 5 year old did need a little direction from me the first several aliens. It's a fun family time. Fast shipping as well.Get more detail about Martian Matter Alien Molder Refill 2.
