my $form;
foreach ( $mech->forms ){
  if( $_->find_input( 'shopwizard' )){
    $form = $_;
    last;
  }
}
print "---------------------- form was $form";

        $mech->submit_form(
        form_number  => $form,
        fields       => {
           shopwizard   => "Winter Love Usuki Set",
           criteria     => 'exact'
        }
       );