Brain Tease was developed to help you explore an interesting reading phenomenon and to help you practice your short-term memory, focus and concentration skills.
Going to the USA? Learn how to pronounce USA states and cities correctly with this PPT presentation + audio recordings of the cities and states' names by Author Lara De Ubago-Sia.
This colorful photo essay teaches the concept of geometric shapes and introduces basic mathematical principles through observation of the shapes seen in nature.
