The problem with a lot of these water bottle rocket projects is that they leak where the bottle meets the launcher. In most cases this is a good thing as it’s almost impossible to build up ...

Download the Water bottle ... so that the plastic is designed to hold pressure inside it. Making a hole through the cork using a drill, punch or awl is a job for an adult. The rocket launches ...

Shandong, China - December 29, 2024 On December 29, 2024, in Shandong, China, @Chūnnuǎnhuākāi shared a video of two boys launching a rocket made from a plastic bottle.