This was one of the highlights of our trip to Amsterdam, getting to cruise the canals on a sunny afternoon with some friends was just perfect. The boat is extremely easy to operate and the guy renting the boats was very friendly. Make sure you bring drinks and snacks. If you happen to have some cushions or some towels you can borrow from a your hotel bring those as well. We were able to borrow some cushions that they had, but if they rent out all their boats they might not have enough to lend out.
I would look for a day with nice weather and stop by in the morning to reserve your boat for that evening, as they only have so many boats. I think that they were open 10am to 10pm. If you have 4-6 people this is much cheaper than the standard canal boat rides. The electric motor is easy to use and very quiet, far better then the gas engines you will see the local boats always fiddling with.
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