> 
> I can not access to the age when clicking on the button! I get the alert but not the age. Got something like 'His age is [object Object]'.Thank you!
> 
> 
> 

```
class Hello extends React.Component {
  render() {
    return ( < div >
                <h1>{this.props.name}</h1>
                <button onClick={this.props.handleAge}>Click
                </button>
             < /div >
    )
  }
}

class App extends React.Component {

        alertAge (age) { 
        alert('His age is ' + age);
    }

  render() {

    return (
      <div>
         <Hello  name="Eric" age={25} handleAge={this.alertAge}/ >              
         <Hello name="Dyna" age={30} handleAge={this.alertAge}/ >
         <Hello name="Boss" age={8} handleAge={this.alertAge}/ >

      </div>
    );
  }
}

```