slideNext / slidePrev

class App extends React.Component {
    render() {
      return (
        <div>
          <button onClick={() => this.carousel.slidePrev()}>Prev</button>
          <button onClick={() => this.carousel.slideNext()}>Next</button>
          <hr />
          <Carousel ref={ref => (this.carousel = ref)}>
            <Item>1</Item>
            <Item>2</Item>
            <Item>3</Item>
            <Item>4</Item>
            <Item>5</Item>
            <Item>6</Item>
          </Carousel>
        </div>
      )
    }
  }