Size is approx; 30.0 by 18.0 by 13.0cmAdditional product info; When You Talk To Or Pat Its Back, Terapagos Sparkles And Chats!Talk To Or Pat Its Back And Play! Let’s Chat A Lot!When You Talk To It, It Will Respond With Different Chatting While Shining!If You Talk To It With Longer Words (About 1 Second Or More) At A Time, It Will Respond Differently. Pat It A Lot!When You Pat Its Back, It Will Talk Or Its Back Will Shine.If You Pat It More Than 5 Times, It Will Chat Differently. Try Saying Terapagos!It Will Give A Special Response When You Say The Word Terapagos! If You Leave It Alone For A While…If You Don’t Talk To Or Pat Terapagos For A While, It Will Act Like It Wants Some Attention And Talk To You! Depending On The Usage Environment And Voice Volume, It May React Incorrectly. It May Also React To Ambient Sounds. It Will Not React If You Pat Anywhere Other Than Its Back. If Not Played With For About 3 Minutes, It Will Enter Drowzee Mode. Uses 3 AAA Alkaline Batteries (Batteries Sold Separately).