A small plastic box with coloured, numbered buttons that each make a noise. The noises sound like something an old atari console would make : r/whatisthisthing
CP+Toys+Stage+Mike+With+Sound-effects+for+Kids for sale online | eBay
Bicycle bell 4 stereo sound effect HQ 96kHz - YouTube
Bicycle bell 4 stereo sound effect HQ 96kHz - YouTube