Paddle size: 36mm, one positive and one negative propeller, transmission shaft 150mm. Principle: The motor and transmission shaft are connected by a worm, which rotates the forward and reverse propellers.
eBay
FT009 2.4GHz 30KM/H Remote Control High Speed Speedboat Racing Toy RC Racing Boat Rowing Model150M Control Distance Toys for Boy
Aliexpress UK
With distance indicator. The cover inside the boat to the boats accessories. Looks more clear and tidy outside. Type: RC Model Vehicle. High efficiency 540 motor provides submarines with strong power.
eBay
Wifi RC Boat 6CH Submarine with Underwater Camera Remote Control FPV Speedboat APP Real Time Transmission Boat Boy Toy Kid Gift
Aliexpress UK
Fuel selection: 90#-93# petrol. Type: Water-Cooled,2-Cycle,Single-Cylinder,Gasoline Engine. Fuel mixture ratio: The engine runs 15 hours 20~25:1,Over 15 hours 30:1. Power Output: 1.85/15000(kw/r/min).
eBay
RC Ships 74cm Double String Outboard Motor Remote Controlled Fishing Boat Model 3D Printed RC Fishing Boat Model RTR Ship Toy
Aliexpress UK
With distance indicator. The cover inside the boat to the boats accessories. Looks more clear and tidy outside. Type: RC Model Vehicle. High efficiency 540 motor provides submarines with strong power.
eBay
70cm RC Boat with Brushless Motor Drive Remote-controlled Shrimp Boat Model Made of Fiberglass Material RC Ships Model Ship Toy
Aliexpress UK
HUINA 1/14 RC Dumper Truck 12CH RTR Tipper Toy RTR Light Sound Effect Battery. A: For electric boats, even if the boat is sealed properly, water still will get in, it is unavoidable. For gasoline boats, water will get into boats easily, but there is one waterproof device box protecting the servo and battery.
eBay
50CM Large Racing 70KM/H High Speed RC Boat 2.4G 200M Capsized Reset Dual Waterproof Smart Alarm Remote Control Boat Speedboat
Aliexpress UK
Supplied by 3dclever. Ideal as acollectable ,educational resource, or forimaginative roleplay. Designed in the UK.
eBay
2.4G Brushless Boat TX768 RC Boat 2.4G Remote Control Turbojet Speedboat Ship 30km/h High Speed Watercraft Toys for Children
Aliexpress UK
This cute 3314A mini submarine toy is one of the best gift for kids above 8. It's easy to operate and safe to play. Two types of looking for option. 1 submarine toy. This RC model is not a toy and is not suitable for children under 8 years old, keep it away from children.
eBay
Wltoys Boat WL917 Mini RC Jet Boat with Remote Control Water Jet Thruster 2.4G Electric High Speed Racing Boat Toy for Children
Aliexpress UK
One standard servo with preinstalled Xshape servo horn. Four servo mount screws. One X-shape servo arm 1.5" (38mm) across. "J" type with approx. 57 oz-in (4.1 kg-cm) @ 6V. 44 oz-in (3.2 kg-cm) @ 4.8V.
eBay
Electric RC Boat 2.4G Remote Control Stunt Speedboat Children Toy Lights High Speed RC Racing Boats Yacht Competitive Game Ship
Aliexpress UK