Prabhnoor Singh asked could you make a self propelled car using rubber bans to wind up the car as well as the propeller (dual powered) so I dug out my old fan driven car which was originally an ordinary axle driven car and connected up both options.\rbr\rbrIf you have a question it is probably worth reading this video description first because the answer may already be here. To help you find my videos I made two search guides or or checkout my playlists page \rbr\rbrYou will see most of the parts came from this car (which was recycled parts from a previous car too)\rbr\rbr(which was recycled parts from this previous car)\rbr\rbr(which was recycled parts from this previous car)\rbr\rbr\rbrMain components\rbr-\rbr4 CDs\rbr8 plastic bottle tops\rbr2 bbq skewers\rbr2 drinking straws\rbr2 paperclips\rbrCardboard\rbrFan Blade from toy helicopter\rbrHot Glue\rbr\rbrMain Tools\rbr-\rbrHot Glue Gun\rbrSharp knife\rbrScissors\rbr\rbrFilmed using FujiFilm FinePix S4800\rbrEdited using Serif MoviePlus Starter Edition\rbr\rbrSome helpfiles\rbrMaking the CD wheels \rbrCD Wheels with Cardboard Hubs \rbrPutting rubber tyres on CDs \rbrConnecting rubber bands \rbrConnecting the band to the axle \rbr\rbrHere is a selection of related playlists\rbrFan Cars playlist \rbrRubber Band Power playlist \rbrRubber Band Power Cars \rbrRubber Band Power Car #8 \rbrRubber Band Power Car Back to Basics \rbrRBPC for Snowman plays247 \rbrBrakes on Rubber Band Cars playlist \rbrCarrying Dropping Pushing Pulling Stopping playlist \rbrRubber Band Power Planes \rbrRubber Band Plane Prop Assembly Demo playlist \rbrRubber Band Powered Boats \rbrRubber Band Wikipedia \rbrSize 64 rubber band measure 3 12x 14x 132 or 89mm x 6mm\rbrOther Peoples Rubber Band Cars \rbrI have thousands of videos on YouTube covering a wide range of subjects. To find them follow my search guides or or see my playlists page \rbrGenerally my projects are for my grandchildren to enjoy. OK, I enjoy them too. If anybody else likes them, that is a bonus. I like to keep my work as simple and basic as possible so that it can be copied easily and improved by anybody who wants to try themselves. I recycle or repurpose items rather than buy new and when I do buy I like to keep it cheap.