Sledgehammer World Records  

Brian Pankey bounced a softball on a four-pound sledgehammer 65 times while balancing on a rola bola.

Vaughan H. bounced a tennis ball on a four-pound sledgehammer 364 times.

Suresh Gaur assembled a dice tower on a 15-pound sledgehammer held in his hand while standing that reached nine dice in height.

Brian Pankey stacked 32 American pennies on a 15-pound sledgehammer held in his hand.