The mini hornit is the ultimate lights and sound effects accessory for childrens scooters and bikes loaded with 25 sounds and both white and green lights your childs imagination will be free to run wild it also comes with the added bonus of their safety being improved whatever their next adventure might be25 sound effects includingbike bell hooter ol trumpet dixie horn cycle race klaxon racing car motorbike car crash helicopter aeroplane bomb explosion laser ufo zapper police