Rock 'N Flowers!

This toy came out in the 1980s, and was made by the Takara company of Japan. They specialised in a wide range of automata and science toys.

The blurb that came with the flower said - 'they bop 'til the music stops.'

Activated by sound, the flower reacts to sound and dances as long as the sounds continue. Tim does not claim to have fully mastered the trumpet yet, but the flower does not mind!