Description: Function: Frame sets are a highly useful foundational math tool for kids and students to learn base ten. Easily teach multiplication, addition, subtraction, division and fractions. FOR DEMONSTRATING: These Ten measure 6.5x2.64inches. There is no back on the and this permits writing or drawing through the boxes on to a whiteboard or using the included 1.02 inch diameter blue and red counters. With extra thick counters that are easy to handle, students can clearly see teacher demonstrations on a whiteboard. Premium Quality: Discs with thickened sheets, much easier to maneuver and for toddlers’s small fingers. The size, shape and design of the Ten Frame Set is ideal to allow kids to learn math by manipulating the counters. up on any metal surface allows learning in an interactive environment. Using this expert-developed, proven, timeless tool for learning basic math concepts, children's confidence will . Specification: Material: Pp Size (Ten ): Approx.16.5x6.7cm/6.5x2.64inches Size (Counters): Diameter 8cm/ 3.14 inch Color: As pictures shown Package Includes: Set A: 20 Pieces Circle Counters 2 Pieces Ten Frame Base Set B: 4 Pieces Ten Frame Base 40 Pieces Circle Counters 1 Piece Guide Book 1 Piece Storage Bag 1 Piece Storage Tank 3 Pieces Dices Set C: 20 Pieces Circle Counters 2 Pieces Ten Frame Base 1 Piece Guide Book 1 Piece Storage Bag 1 Piece Storage Tank 3 Pieces Dices Note: Please check the pictures for more details. Please allow slight deviation of measurement for manual measure.