Abacus also called a counting frame, is a calculating tool that was in use in ancient centuries. Nowadays, abacus have been used in pre-schools and elementary schools as an aid in teaching the numeral system and arithmetic around the world.
Features
*Three types: 5 beads, 6 beads and 7 beads
*Tap “help” to see Abacus Rhymes
*Swipe up/down on the beads to make them move.
*Tap “back” button to reset the beads.
* Three changeable skins
Download it now. Its a good learning tool for kids to learn basic arithmetic.