Use the scope for sunspot observing. Buy a cheap Mylar sun filter and take it out during the day. As mentioned above, the Moon and brighter planets might be good targets too.

If you look around, like on ebay, you might also be able to find one or two decent eyepieces that would fit it and not set you back much.

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...And that, my liege, is how we know the Earth to be banana-shaped. --Sir Bedevere