Trampoline Spray is a Doraemon gadgets. When this bottle is sprayed into the user, then the ground surface will bounce if the user jumps, The stronger you make the jump, the higher you will jump. This effect will disappear in a few moments. Doraemon sprays this bottle inside the house to prevent Nobita from getting hurt when he falls Doraemon sprayed this bottle at Nobita so that Gian couldn't hurt him Doraemon, Nobita, and Shizuka used to spray herself to go picnic on top of Tokyo Tower A robber steal this bottle to make escape from the police, Because there was only a little left in it, the effect disappeared quickly. In the end he was caught by the police.