Website and research by 101Leafy.

Bumper

For The Legend of Zelda: A Link to the Past on the Super Nintendo (SNES).

From the official guides

Touch it and Link is knocked far back, without damage. It is often placed together with other traps.

ファミコン通信編集部責任編集 ゼルダの伝説 神々のトライフォースのすべてがわかる本 (アスキー, 1992), p. 110, translated by 101Leafy

Numbers

Hit points255
Damage to Link, Green Mail2 hearts
Damage to Link, Blue Mail1 heart
Damage to Link, Red Mail½ heart

Drops

It drops nothing.

Names

EnglishBumper
FrenchRebondisseur
GermanPrallblock
Japaneseボヨヨンブロック