We have covered plenty of cool electric rides and boats for adults in the past. The JimBoats 6.5 is a tiny eBoat for your children. It measures 6.5ft long and has a 55lb thrust electric motor. According to the Denis Jimenez, the boat builder, it can go as fast as 5.5 knots.
The board runs for 4 hours on a fully charged battery. It can handle children and adults up to 5ft 6in and 155lbs.