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A magician needs helpHot air balloonTo make an electric lighterCordless TelephoneMagnetsWhy not make a snow melter (giant heat gun)Build a Simple Battery from Household ItemsHome made cryocoolerComputer Laser CommunicationHovercraftAn electromagnet even a baby could build!!!CraneFM radio??Potato Combustion CannonDancing "figures"Remote Control AirplaneHow about thinking controlling air pollution????AntennaFreez drying?Computer controlled infrared morse transmitter?TrebuchetMetal Detector?Laser Door AlarmLED ClockCrooke's Radiometer (Light Mill)HAY SIMON can you........Great newsThermal/Light enhancementLeyden JarsCW reciverSlinky high voltage motor8 watt audio amp.Newly invented tumbling magnet generating systemHow to make a computerHow to create a virtual reality systemR/C SwitchIC BA546Mini wireless cammeraSoldering an ICMicrowave Transformer Arc WelderCalcium Carbide CannonLeyden JarInviting Entries to Electronic Design Contest to win cash...Camera ObscuraMy aerodynamics toy propellaThermiteCool things that fly and get you wet120 Volt 70 Amp WelderSurprise ShockerFermentationHow to make infa red gogglesI need someone to try this.Guass RiflesElectricity generatorAlka-Seltzer RocketFM DetectorWindMillEletromagnentWhat some NIB magents but don't have the cash? or the tim...Nitinol HovercraftTracking DeviceLinear Induction Motor LauncherHalo physycsNeon detonatorLaser Communicator - ImagesCoil GunWinding transformersStactic vacum ????????Measuring VoltsGun Laser PointerCool books....Diamagnetic "gold" panning.Clap switchTelephone Line!FM Radio Transmitter!Other Waves!Tesla and his coilsWhat to do.........Simple high voltage Burglar Alarm! 9v powered miniature guitar amplifierStep by step guide to building a stamp computerPlastic H bombI need neg-ion helpFlim can cannon's barrelHow about...Very simple smoke bomb (not the KNO3 / sugar one)Great site- dont know if pricing is fair or notToo difficultNew idea for an ampSpeakerHow to make a MicrophoneComputer controlled transmitter problem!TV/IR REMOTE JAMMERSimple scitoyInfrared GogglesFireless FireworkA complete Electronic Resource Centre - Circuits & Tutori...Trench RadioCombine modifications!I want to install solar power in my car...Microphone Into MegaphoneA Non-friction bicycle lights generator (dynamo)Radio Shack CreationsOrbiting ThingyPG heat engineHeadphone splitterDance! Magnet, Dance!Acoustics?Ac walkerLaser gun/target practiceLiquid Metal AntennaBuilding own computersVacuum pumpVac U FormWireless DataVideo laserVery simple voltmeterLeyden jarVery simple robotic handDiskette film as data storageStepper motor generatorSteam engineVoice ScramblerMysterious beeperSolder Cordless micElectrohydrodynamic thrusterDo you deal with wrting OS's. Can you help me!!!Solar furnace v2Crazy laser idea.Dataglove project. Help especialy SimonInversor Geiger Who?CondenserCool GLOBE! Shock boxFm radio modificationsPrograming for everyone!!!!!!!!!Radar WeatherBiefield-Brown effect "lifter"Plasma globe?Rotating conductors beneath magnets...Radio wave collector"Shockin Quiz"Fps meterAny Idea of a very, very diecional antennaSimplest Wireless Camera. At least it is a fun idea to tr...New Simple Toy?New noteAm amplifierThroughly odd idea, is it possible?Radio TrackingWhat is a RFID ?Seebeck EffectI want to build a USB fanHey, I need your help...Is there a way to...Here is a cool Fog Macine.Cartesian diverI need helpElectromagnetic levitatorSeeing as my Seebeck Effect project didn't garner a large...Newtons cradle with a twist???Remote-controlled boat using electromagnetism or IRSuprise BoxFun game for concentratingCan you make a transmitter from a clock oscillator?Home made speakerElectroencephalographKelvin's thunderstorm deviceBoomerangUVC Light ToyHow can I make a Helix or a sculpture of the human DNA?Simple Pulse-JetMaking a Bunsen BurnerLorente Electrostatic GeneratorMagnet in water , will it floatThis camera deviceTransistor less transmitter...Laser NetworkingKind of home made wifiRubbing alcohol vaporsCreating enough power for a LED with a plastic toy windmillSimple optic fiberTankQuestion on quartzNeed help finding computer science related research topicHow to make a smoke bomb Bigger LevitatorRemote controled airshipRocket engineFaraday Effect.FlyBacksTo make a warming pillowMini Tesla CoilWireless speakersHOW to make a radio controlLanguage simon see !!!!!!!!!!!!!!More and moreFlash Memory ChipsSound sensorPaper ResistorsUses for KryptoniteMr. fieldAluminumSuper ShooterNeed Help To Make A Mini Spot Welder For ElectronicsLIST of semicondcontor materialsDirectly downwind faster than the wind.Put Your Photos on a KaleidocycleConductive inkSterling EngineTwo suggestions for ScitoysBuild your own FLYABLE balsa wood airplane!
DISCOUNT PLASMA / LCD TV SET'S FOR SALE!I am a fan who wants to say "Hi!"I think it's terrible that you're teaching middle school ...I have this neat idea for a perpetual motion machineI am having trouble building one of the toysI have a neat modification to one of the toysDo you think this idea will work?I want you to add a new chemical to your "Ingredients" bo...| Topics | Last Day | Last Week | Tree View | Search | Help/Instructions | Program Credits | Administration |