Vintage Childhood Interest Toys Musical Cradle Gym Mobile Works

This is a vintage mobile cradle gym manufactured by Childhood Interest Inc. 

It is a wooden bar that includes a spring on either end which is attached to thick white hanging straps. The main wooden part features two red plastic rings hanging from either end with a yellow bead on top. There is a white and yellow carousel-themed circular music box that plays "Go to sleep." 

The main wooden bar measures about 12" long.

It was made in Hong Kong.

The item in good pre-owned condition, with some signs of use.