Maximum Number of Sponge Ball Bounces on Alternate Sides of a Table Tennis Paddle while Standing on Heels

Maximum Number of Bounces of a Sponge Ball on Alternate Sides of a Table Tennis Paddle

Maximum Number of Consecutive Table Tennis Ball Bounces using Computer Keyboard as Paddle

Maximum Number of Bounces of a Plastic Golf Ball on a Shoe

Maximum Number of Participants in a Writing Competition in Particular Language (Single Venue)

Largest One Day Writing Competition in Multiple Languages (Single Venue)