Material: Sheesham Wooden|Size: Dia-3″, 4″, 5″,6″ Inch Package Contents: 4 Piece. Manipulate the game board to move the 3 steel balls to the center to win. This is mind mind-challenging game played by everyone, anytime and anywhere. Ball-in-a-Maze Puzzle Game for Kids and Adults. Made out of Wood, it is eco-friendly, non-hazardous and fun. Does not require electricity or batteries. Puzzles trigger the left side of the brain, which is mainly responsible for the cultivation of reasoning, objective, analytical, and logical skills. It is a great game for the young minds. Puzzles trigger the left side of the brain, which is mainly responsible for the cultivation of reasoning, objective, analytical, and logical skills. It is a great game for the young minds. Perfect for housewarming gifts, wedding anniversary gifts, Christmas gifts, thanksgiving gifts, Valentine’s Day gifts, birthday gifts, holiday gifts, Mother’s Day gifts, graduation gifts, and easter gifts