About this app
Learn the names and characteristics of invertebrate animals. You will learn about the characteristics of Sponges, Worms, Cnidarians, Echinoderms, Crustaceans, Insects, Arachnids and Mollusks. Included are examples of each animal type! Lessons include a matching puzzle to identify the animal type with the individual animal characteristics. Practice sorting animals into their correct classification with the sorting lesson! We sincerely thank you for your support of our Montessori apps! We have many more in the works that will be available soon! www.mobilemontessori.org Twitter: @MbMontessori
Latest release
What’s New
We've updated this to run on the latest iOS releases.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 6:58 PM $4.99
Screenshots
