Japanese Pokemon E-Reader Theme Deck Edition 1 - N

i just bought this for a total of $7.99 i was wondering if i got it for a good deal and what is its actual value?

www.ebay.com/itm/200688969803?ssPageName=STRK:MEBOFFX:IT&_trksid=p3984.m1427.l2649#ht_950wt_1185

I think its a nice deal. Very cool thing to have in a collection