Remote control flying fish inflatable shark clown fish balloon

Control method: infrared remote control
Material Plastic/Plastic
Function remote control flight
Flying fish size: 152*100*60cm
This toy needs to be filled with helium gas, and cannot be filled with hydrogen gas. Hydrogen gas is flammable on fire. Helium is an inert gas. It is safe. Don't fill the gas too much. Consider the thermal expansion and contraction of the gas.