I'd pick up a multi effects device (i.e. a digital one) if you can, then he'll have the option of trying all sorts.
There's all sorts of stuff you can do with chorus, phasing, reverb/delay and so on these days in quite small economic packages.
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Overhead, the Albatross hangs motionless upon the air,
And deep beneath the rolling waves,
In labyrinths of Coral Caves,
The Echo of a distant time
Comes willowing across the sand;
And everthing is Green and Submarine
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