I don't always have time to get to water, so I thought I'd purchase a skupboard and a land paddle to be able to land paddle.
I just went out for my first attempt, and while there were differences between the paddleboard and the skupboard the similarities definitely make it a worthwhile training tool.
The skupboard's trucks are set up to replicate the feel of a surfboard, so it wants to carve unlike a paddleboard on flatwater. However, like a paddleboard it is wide enough for surf or parallel stance, so you can practice what you want and/or what feels comfortable.
Overall, a great experience and workout, and I think helpful to getting better on my paddleboard.