I found a good website to practice Japanese letters.

http://happylilac.net/kisetsu-sozai.html

This is the top page of the website.

If you want to practice to write Japanese letters. This website would help you. It is for Japanese children, and the website is written in Japanese, but you can just dawnload and print it out. You can practice Japanese letters as many as you want. They are free.

 

This is for Hiragana.

http://happylilac.net/hiragana-h.html

http://happylilac.net/hiraganahyo-g.html

THis is for Katakana.

http://happylilac.net/katakana-h.html

http://happylilac.net/katakanahyo.html

 

And if you can read some Japanese, and you are learning Kanji, you should check this.

http://happylilac.net/syogaku.html