Place the puzzle toys in random spots around the house and encourage your kitty to «hunt» for them. (articles.orlandosentinel.com)
As to the nail polish falling all over the bathroom floor... I'm still finding random spots of red in my bathroom D:. (kellyinthecity.com)
You may also want to conduct random spot checks of deliveries from new suppliers to make certain the goods received match invoice descriptions. (inc.com)