Tiggly Math Blocks Interactive Learning Games for Kids 3 to 7 Award winning interactive learning toy for tablets, designed by early childhood experts for children 3 to 7 years old Includes 5 interactive math toys and 4 math learning games (free download) Teaches addition, subtraction, counting, cardinality, number line, and number sense Takes children on a math learning journey full of inspiration, magic, and humor Compatible with all generations of iPad (excluding iPad1), iPad Air, & iPad mini; Leading Android devices (Samsung, Kindle, and Kurio) Comes in 11 languages, including Mandarin (Chinese), Spanish, French, and more Inspired by the traditional Cuisenaire rods used in Montessori schools, Tiggly Math has received numerous prestigious awards including Brain Child Gold Award Featured on Forbes, USA Today, BBC, Cool Mom Tech, Teachers with Apps and many others No Wi-Fi, Bluetooth, or batteries needed - Toys are child-friendly and gentle on tablets: just touch the screen with toys and apps react in real-time How to play: simply download the learning games on your tablet, place your toys on the screen and the apps will react in real time