Check the listing for details. DIY SIMPLE CONVENTIONAL MOTOR KIT #15 SCIENCE FAIR PROJECT ELECTRICITY MAGNETISM. Condition: New. Listed at 12.95 USD. DO IT YOURSELF !!!SIMPLE MOTOR KIT SIMPLE CONVENTIONAL MOTOR - KIT # 15 SIMPLE CONVENTIONAL MOTOR KIT WITH ROTATING COIL FROM SIMPLEMOTOR.COMYou may build one of four configurations with one or two magnets and experiment with 4 different voltages: 1.5, 3, 4.5 and 6 volts. You may also experiment with different size wire coils. GREAT FOR BIRTHDAY PARTIES! PLEASE NOTE: THOUGH THIS KIT LOOKS LIKE THE SIMPLEST MOTOR IT REQUIRES A LOT OF ACCURACY IN BALANCING THE COIL AND STRIPPING OFF THE INSULATION. IT IS ALSO NOT A VERY RELIABLE MOTOR. IT IS ACTUALLY EASIER TO ASSEMBLE ANY OF THE REED SWITCH MOTOR KITS. THEY ARE MUCH MORE STABLE, RELIABLE, MAY RUN NON-STOP FOR A LONG TIME, AND ARE ABLE TO DO SOME WORK WHILE PRACTICALLY NOTHING COULD BE ATTACHED TO THIS MOTOR. BASED ON AWARD WINNING PROJECT. GREAT FOR SCIENCE FAIR PROJECT, HOMESCHOOLING, SCOUTS MEETING, BIRTHDAY PARTY, ETC. - YOU NAME IT! OUR MOTOR KITS PROVIDE LOTS OF FUN AND GREAT LEARNING EXPERIENCE PERFECT EDUCATIONAL TOOL TO LEARN BASICS OF ELECTRICITY, MAGNETISM AND ELECTRIC MOTORS. WE HAVE IT ALL! DETAILED ASSEMBLY INSTRUCTIONS PROVIDED ONLINE FOR EVERY MOTOR KIT. PLEASE CHECK OUR OTHER MOTOR KITS