Rantek Inc.

Learn the names and characteristics of invertebrate animals. You will learn about the characteristic

Learn the names and characteristics of vertebrate animals. You will learn about the characteristics

Ages 3-6. This is our most popular app of all time, used by school systems in the United States, Aus

The Hundred Board is a fun and educational exercise found in the Montessori classroom to help childr

Ages 3-6. This is our most popular app of all time, used by school systems (preschool & first grade)

Ages 2-8. You don't need a Jurassic World to learn about the Dinosaurs! We've designed this

***Our series of geography apps are being used successfully by parents, schools and therapists all o

Ages 2 & Up. This app has helped thousands of children around the world learn to identify the contin

Ages 2 & Up. The iPad version of this app has helped thousands of children around the world learn to

The Montessori Addition Charts help children with the memorization of the essential combinations in