an elegant solution

He had been able to do what few others could - survive a meeting with the dread linnorm and better still, been able to trade with him as well.

Thy worth, sweet friend, is far above my gifts,

You could also keep a tennis ball and a frog, or a catapult and a frog, but not all three together. I know because I tried it. The frog got a bit squashed between the ball and the handle of the catty.