1. The Jean-Jacques Perrey background music.
2. The black set.
3. The announcer’s voice.
4. The name of the toy: Bing Bang Boing.
5. The toy itself, which is a brightly-colorted DIY Rube Goldberg kit with lots of fun parts that you can set up in different configurations.
It’s got to be a Marvin Glass creation.
(Thanks, Richard!)