You can create as many as testimonial carousel like shown below with just a few clicks. There are many layout options and alternatives are available for the carousel module and shortcode.
classic product carouselSample 1
boxed product carouselSample 2
Another carousel sample that placed in a “boxed columns” styled content row.
framed product carouselSample 3
Another carousel sample that used “rt-frame” class name for the container column which applies a frame with shadow to the used elements.