Four more inventions!  Clockwise, from the upper-left corner,

Robot, Teagan

Robot is a cleaner upper robot.

 

A Blue Shock, Felix G.

The electricity comes from the spoon along the wire

And it gets the middle hot.

 

Magic Stirrer, Jo

A thing that makes magic planets by stirring.

 

A Special Kind of Owl,  Jack

It lives in a rainbow.