It looks great,I'm sure you're son will be thrilled with it!,what do you have in there,to keep the water clean,..i have just put in a wildlife pond into my garden,it's small,i bought a water fountain to keep the water moving,added lots of oxygenating plant's also,...now I'm waiting for the frogs to arrive,lol,....apparently i have just learned that barley straw keeps the water clean,which come's in liquid form also...so need to use chemicals, which may harm the fish/wildlife,keep us updated.