We can use behaviors he already knows well (Sit, Down, Stand, Stay [in all those positions], Come, Touch [touch my hand with your nose], Shake), behaviors we're still working on (Heel, To [go out to a target and touch it], Wave [like Shake, but without touching anything], Settle [go out to a mat and sit or lie down on it], Here [like Come but without the sitting part -- he's actually pretty good at it but it's new, since we started with the more formal recall]), or new behaviors (Spin, Roll Over, Crawl [Cathy's been working on these three for a week or two], or anything else you can think of). We probably don't want them all to be brand-new, because he's got to learn them before we can put them together.
Any ideas?