Features:Math Game:High-quality educational toys contain single-digit numbers and double-digit addition, subtraction, multiplication, division, can helps children quickly charge mathematical operations, and enhance mathematical logic.Funny:Timer function, set time,increase the game difficulty and game atmosphere. Self-playing music and corresponding sound effects for the answers, Right! Bingo!Portable:Made of high quality ABS material, resistant to falls, easy to clean. Small size and lightweight, suitable for putting in the bag or pocket.Different Play Method:Memory the numbers, press the numbers that have appeared in the screen.Compare the magnitude, compare the magnitude of the numbers in the screen. Find the regularity, find the regularity of the numbers in the screen, enter the another number.Gifts:Dinosaur toys math game is an ideal gift for Christmas, Easter, Halloween, Mothers day, also as kids exchange gifts on Valentines day and Children's Day!11 12 year old boys and girls!! Notice:1.Actualcolor may be slightly different from the image due to different lighteffect2.Pleaseallow 1-3cm deviation due to manual measurementMaterial:ABSSize:20cm * 10cm * 3cm