Alexa’s rocket is a performance sailing dinghy plan in the style of famous australian dinghies like the javlin. both sailboat plans and kits are available.. The international laser class sailboat, also called laser standard and the laser one is a popular one-design class of small sailing dinghy. according to the laser. Bayii model – stainless steel. generally for smaller boats and lighter dinghies, roughly 27’ to 35’ boats, or dinghies around 8’ – 10’ and light..