Description:1. Eco friendly.2. Puzzles increases the Calculation Skill of the children.3. Enhancement of children brain power. Content:1 pc of Numbers Board, 1 pc of Black and white board double sided, 1 pc of Instruction manual, 3 pcs of Chock, 1 pc of Wiping Pen, 1 pc of Duster, 1 pc Wooden of Abacus.