Racing drone (quadcopter) from notes to CAD and 3D model

Hi all, thanks for checking out my contest! I am involved with a company that is looking to receive some entries for a "prototype" electric unicycle. If you aren't familiar let me give you a brief background. Remember the hoverboards last xmas?? The electric unicycle works on essentially the same principle (upside down pendulum theory) to achieve self balancing capability. The current offerings on the market just don't cut it, the plastics are basically thrown together around the requirements of a build, rather than incorporating the necessary components into the design for a smooth finish. I would like the final product to be somewhat futuristic/prototypish looking, maybe a bit sporty. You can get a feeling for whats out there by doing a google search for "electric unicycle". Integral to the design there are 3 requirements. 1.) Obviously the plastic fairing will need to have a cavity for the wheel, but in addition, it will need to subtly include a space for lipo batteries, (doesnt have to be in any particular shape however), and also must include spot for a pcb control board. Both of these items arent excessively large, the PCB is about 4X3 inches and the batteries are about 5X5X1 (but can be reconfigured). 2.) I would also like to incorporate into my design a headlight, and a tail light if possible, but most concerned with head light. Would also like to leave the option open to include small bluetooth speakers, however these would not take very much space at all. 3.) Finally, this design will need to have a retractable handle for balance when getting on/off.

We are developing a digital “Name Tag” (LCD screen) for wine glasses that will communicate with a mobile app. so people will be able to communicate with the tag via their smartphone and find their glass in case they can’t tell which wine glass is theirs...etc. We are looking for few design concept options for a prototype 3D design that we will print.

we need a ecig design, now all ecigs design are boring, all MOD looks the same, ego style all looks the same.we need a unique one,

An alternative to picking up dog dropping with plastic bags. A cheap, easy to build, bio-degradeable design. It should, with a minimum of moving parts, (ideally 1-2 piece cardboard structure), pick up and enclose droppings. Should also include built in handle (reasonably distanced from holding section) Simplicity is key. As will need to be able to produce cheaply in large volumes. MUST BE MASS PRODUCEABLE for cost in the region of $1-2.

I need a stone mill grinder powered by an electric motor. There will be two granite stones weighing circa 10 kg each that will spin on top a granite base, which weighs 15 kg. The base will be at the bottom of a stainless steel pan, which will also contain the 2 stones inside it. The pan will spin by the action of an electric engine/reductor, as its base will be locked on top a metal spinning disc connected to the engine/reductor shaft. The two stones will spin in opposite directions by the action of the spinning base. The stones need to apply a force on the base in order for them to fine ground cocoa bits. In order to that, a system of coils needs to be built so that a force can be applied on each stone. The stones and coil system will have to be easily detachable from the pan, as well as, the pan itself from the disc that holds it, so that chocolate can poured in another recipient.