The Sandbox tree, also known as the "Dynamite Tree", is covered in spikes its entire 30-90 ft. tall trunk, full of poison, and grows exploding fruits. The fruit looks like little pumpkins, but when they fully mature they explode with a loud bang and fling their seeds at up to 150 mph. Incredibly invasive.
25% chance of exploding per 1 minute traveling through area of Sandbox Trees, but loud noises such as exploding fruit or damaging effects can trigger the fruit to explode.