Not all my products with "Atributes" are showed as, in main page, Why?

[Diego Rojo Rubio]

Hello, im using warehouse theme and just finishing my page, but i donk know how to do to show all items with atributtes on main page, only one is showed as.

 

You can see here http://play26scooters.es/index.php?id_category=13&controller=category&id_lang=1

 

Only this show have more options for purchasing:

How to fix it?

MGP Madd Team VX4

 

Thanks in advance

 

Pic too

Edited February 7, 2015 by Diego Rojo Rubio (see edit history)