5" Half Ball Height: 2.5 inches Weight: 1.25 lbs Beginner: all Starter boards Beginner: all Creator Kits DESCRIPTION Get The Basics Down: 5" Half Ball is a beginner size for all Starter boards. Offering enough tilt for a balance challenge without overpowering a beginner. A great way to allow skill progression and add variety to exercises. Balance On This: You have the freedom to place half balls anywhere which makes each exercise unique. Keep it centered for an even weight distribution or place it to the side and work that side harder. Place one half ball under the board to create a wobble board and have board tilt in 360 full rotation. Place two half balls under the board to create a rocker board that will tilt in two directions. Balancing left and right, forward and backward or on a diagonal plane. TECHNICAL SPECS Size: 5" diameter base, 2.5" tall Weight: 1.25 pounds Material: Solid and durable urethane construction to resist wear friction Grip texture bumps on curved side Surface will not slip on the board or ground USER GUIDE Suggested Boards: All Starter boards Creator Kit- Skate kit for adults How It Feels: Small half ball gives beginners a good challenge on all Starter boards Who Should Use This: Small kids and adults who can control the board motion Beginners who don't want the board to roll Not Recommended: All Original boards VIDEO QUICK LINKS Download our Instruction Manuals click here See more Half Ball training videos click here Learn the details of All Si Boards Half Balls click here Half Ball Instructions click here Half Ball Precautions and Care click here Compare the Tech Specs of all Si Boards Half Balls click here Shop all Half Ball Products click here