Let’s get this ball rolling! In this solo action gravity powered puzzle game, challenge yourself to roll stainless steel balls into specific spots with a minimum of trials, navigating between obstacles and using bonus walls to guide the balls into the right directions. WHAT'S INCLUDED: 1 Maze Board, 21 Walls in 3 Sizes, 5 Steel Balls, 40 Challenge Sheets with Solutions, 3 "Make your own" Challenges. Age: 8 years & up, Wipe clean, 2.25 x 9.5 x 9.5 inches, Plastic, cardstock, steel, Imported. Size: One Size. Color: Multi. Gender: unisex. Age Group: kids. Material: NONE.