Discover how to create a unique hand fan using everyday items like plastic bottle caps and pencils. This easy-to-follow DIY craft transforms simple materials into a functional and fun accessory. With ...

Learn how to turn an everyday plastic bottle into a handy and functional hand fan with simple materials. This DIY project is both creative and practical, showing you how to transform a discarded ...

Find out by making a pressure bottle ... plastic lenses. Do not overpressurise the bottle. While pumping, squeeze the bottle frequently to see how firm it is. If you cannot easily squeeze it by ...

SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres. The bottle must be made entirely of plastic ... A pump that fits the valve. Hand pumps or foot pumps are ...