You can add Snowflake Light Dance, Olaf and Elsa Wall Friends and Frozen Light Vines. They are not on sale now but you can register with their pre-sale offer here.
Here's a description of the product line from the creators:
The line is aimed at creating a magical room experience and bringing your room to life. The following items will be available starting in Fall 2014.
Snowflake Light Dance -- Create a dancing, snowflake light show and Frozen scene on your wall featuring Queen Elsa! With 6 different snowflake light show programs and a large wall decal sheet featuring Queen Elsa, it has all you need to bring Elsa and her magical powers into your room. It's also a great night light with auto shut off for bedtime. Ages 5 and up MSRP $39.99
Olaf Wall Friends -- Interact with Olaf the Snowman right in your own room! Just touch the remote and watch as your friend lights up and talks to you with many funny familiar phrases. It's also a fantastic night light with high and low light brightness and auto shut-off for bedtime. Includes remote control. Ages 3 and up. MSRP $34.99
Elsa Wall Friends -- Bring Queen Elsa to life right in your room! With a touch of a button, Elsa will light up and talk with many fun, familiar phrases. Elsa Wall Friends makes a fantastic night light with high and low brightness and auto shut off for bedtime. Includes remote control. Ages 3 and up $34.99
Light Vines Snow and Ice -- Decorate your room with beautiful, icy light vines! The multicolored lights gently fade in and out across 10 feet of vine. Customize your light vine with interchangeable light covers featuring popular characters from Frozen and different snowflakes. It also includes attachable, decorative snowflakes to place along your vine. Ages 5 and up MSRP $26.99