Here's how to get more bounce from a normal tennis ball - buddy it up with a heavier ball for twice the impact. Hold a ball in each hand and decide which ball weighs more (has greater mass).
BULK PACK OF 250 BOUNCY BALLS: Each bulk pack of 250 bouncing balls features a wide variety of different colors and styles. Some styles include; tie-dyed, soccer balls, pool cues, rainbow ...
Featuring an anti-burst safety mechanism, so even if the exercise ball is punctured, it will deflate slowly and quietly. Durable and non-slip, the Greater Goods exercise ball will help you achieve ...
But small objects like coins, batteries, marbles, toy parts and bouncy balls are also choking hazards to watch out for – because they’re small enough to get lodged in or block your child’s airway.