Electric Fireworks Bubble Machine Toys with Lightning & Sound

Fireworks bubble machine Requires 3 AA batteries for power supply (not included) Contains a firework bubble machine, 1 bottle of bubble water How to use: open the battery cover on the side of the firework bubble machine, put in 3 AA batteries, open the cover of the bubble water refilling compartment on the side, and connect the connecting tube to the bottle of bubble water. After putting in, close the cover and turn on the switch