Wisetime 4 Spikes Abacus is available in Counting Frames

Place value abacus with wooden base, 4 spikes & 40 beads in 4 color. Students explore number operations of o-t-h-th. This abacus is used to understands the basics of place value, representation of numbers on abacus, visual addtion & substraction using beads helps students to gain basic understanding very well.