Yes, Jungle Gym is free to download...

Jungle Gym

Name: Jungle Gym
Rating: 4.20 (4724 reviews)

4.20

Downloads 10K+

Developer NM State University

Category Education

Android OS Varies with device

Come and see what lives in the jungle! When children move along with this interactive app, they perform specific movements to build specific gross motor skills. Jungle Gym gives kids language to describe different movement patterns while allowing them to master the basics in preparation for more advanced movements.