Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Waterproof Electric 300W Underwater Sea Scooter [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (273.26 USD): Cuponation9
Coupon (282.27 USD): BG00c906
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGissamSeaScooter, BGmotorinoScooter, bgshOOp10, BGsea001, BGRC902, bGhOnEy10, BgoFErTaSchInA10, BgcLuBofErtA10, BGIssSUB, 7bcdf9, BGAFF10OFF, BGSCOOTER3, BGCuponation10, BGHONEY2110, BGfe8a0d, BGVehicle10, BGVehicles10, BG10RCVE, BG12RCCA, CouponsDE, ADMITAD2212, BGCityadsRC, BGScoter, Terence, Tabby20, BG1efeb0, 8Couponsde, 8BGwbg2204, BG598895, tRaDetRaCKeR, 8wEbgaInS5, BGc69983
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Waterproof Electric 300W Underwater Sea Scooter [EU] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for Waterproof Electric 300W Underwater Sea Scooter.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).