This version more "forward" :)

#!/usr/bin/perl --

use strict;
use warnings;

use XML::Twig;

my @data = ( { age => 12, weight => 200 },
{ age => 22, weight => 100 } );

my $table = XML::Twig::Elt->new('table');

$table->insert_new_elt(
    'last_child' =>
        'tr' => (
            map {
                $table->new( # XML::Twig::Elt
                    'td', $_
                )
            } @{$_}{ 'age', 'weight' }
        ),
) for @data;


$table->print('record_c');

__END__
<table>
  <tr><td>12</td><td>200</td></tr>
  <tr><td>22</td><td>100</td></tr>
</table>
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