Check the listing for details. DIY SIMPLE ADVANCED QuikLock REED SWITCH MOTOR KIT #13 KIDS SCIENCE BIRTHDAY. Condition: New. Listed at 29.95 USD. DO IT YOURSELF !!!SIMPLE MOTOR KIT REED SWITCH MOTOR - KIT # 13 EASY TO ASSEMBLE SIMPLE REED SWITCH MOTOR WITH LOTS OF EXPERIMENTATION POSSIBILITIES! THIS MOTOR IS EXTREMELY POWERFUL AND FAST (UP TO 6000 RPM) IN ADDITION TO ALL FEATURES OF A SIMPLE REED SWITCH MOTOR THIS KIT INCLUDES EXTRA PARTS: • VARIABLE SPEED CONTROL THAT ALLOWS TO CHANGE THE MOTOR SPEED FROM FULL STOP TO MAXIMUM SPEED (AND EVEN SIGNIFICANTLY INCREASE THE SPEED!) • SECOND ROTOR PARTS AND EXTRA MAGNETS FOR EXPERIMENTS WITH 2 AND 4 MAGNET ROTORS THIS MOTOR USES STANDARD AA SIZE BATTERIES (NOT SUPPLIED). INCLUDED JUMPER WIRE ALLOWS TO EXPERIMENT WITH 4 DIFFERENT VOLTAGES: 1.5, 3, 4.5 AND 6 VOLTS. BASED ON AWARD WINNING PROJECTGREAT 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 Disclaimer: This is not a Lego® product even if it contains Lego® bricks and plates. We reserve the right to use other materials in the future. All warranties provided by Simple Motors. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this product.