Remove the batteries from the children's toy and power it directly with a DC power supply.
I slowly increased the voltage to 30 volts and filmed the movement.

** It may be more dangerous than expected. We do not recommend taking this action. **

00:00 Intro
00:13 Cool Uncle's Vacation
02:33 clown riding a bike
04:20 falling beans game
06:32 yellow puppy

Music source link
  / 100_e.lee  
  / 8c6qybollmml  
Music title used : aggressive rex