K'NEX Education - STEM Explorations: Swing Ride Building Set
...th a battery-powered motor that works on two AA batteries, bringing kids’ ideas to life. Aside from the swing, they can also build two other amusement park ride models with this toy set — a boom ride and a Ferris wheel. Let middle-school students learn as they have fun with this K’NEX Education building set..
EXPERIMENT GUIDE – The three included experiments contain complete details on conducting the hands-on, inquiry-based engineering projects based around the models and include information about the different parts and pieces. Parents can assist their children in the beginning until kids get the hang of it..
PROMOTES TEAMWORK – Specially designed for children ages 8 and up, this engineering set is more fun when constructed with friends. Students in grades 5‒9 can create the models alone or with two other classmates. Through teamwork, students will learn how mass affects speed, how to gear up and gear down, and much more! The set promotes camaraderie and the development of social skills, too..
STEAMagination : It’s the connection of STEAM (science, technology, engineering, arts & math) with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set. Building with K’NEX puts children....
DORHEA 3 Set Electronic Flashing Lights Soldering Practice Board LED NE555 CD4017 IC LED Electronic Lights Kits Red Blue Dual-Color DIY Kit Strobe Electronic Suit Flashing Lights Components DIY
The circuit working voltage: DC9-12V. The product does not include battery. It is simple to make, has obvious effect and is interesting. The circuit can be used for electronic toys, art lighting, LED billboards ,ect..
This suite adopts simulation light circuit made with NE555 and CD4017, the blue LED and red LED flashed alternately according to the pulse. The multivibrator composed of NE555 will have a certain frequency of oscillation signal send to CD4017 decimal counter/pulse distributor, in order to count..
This is a very interesting circuit for simulating the visual effects of warning lights, blue and red lights flash alternately according to the pulse respectively. This kit is simple to assemble, suitable for electronics enthusiasts and students to practice. Design optimized for training, it adopts 1.6mm electric board and nice layout of the components..
Specially designed for the training, cost-effective, red diodes and blue diodes can be opened with wire connections to expand the lamp distance, the original board number and model on the circuit board, the right seat can be installed..
Genuine Yamaha AC Adapter Power Supply DC12V 700mA 12.5W Model: PA-3C 12V
10 Isolated Outputs: This guitar pedal power supply has 10 independent outputs: 9v 100mA x6, 9v 500mA x2, 12v 100mA x1, 18v 100mA x1. Each circuit has its own short circuit and overcurrent protection, i.e. a short circuit on one output will not affect the function of the other outputs..
Short circuit and overcurrent protection: In this power supply we use the best high-current output buck switching type integrated regulator circuit, this integrated chip has a complete protection circuit, capable of current limiting and thermal shutdown circuit. The other components can form an efficient regulator circuit structure with over-current protection and over-temperature protection..
LED Light: Each output of the pedal power supply has a blue LED indicator, and if one is faulty, the light will not turn on. This helps the musician to quickly locate the fault. The lights also help to find the power connector at night and play a good lighting effect on the stage of the performance..
Versatility: the pedalbord power supply has a compact body and 5 feet disconnectable AC power cord, no power adapter, plug and play, easy to carry.Wide input voltage range of 100v to 240v is ideal for international travel, equipped with 4 AC Outlet, total output power of 600w, can be u....
POWSAV rv Surge Protector 30 amp with Waterproof Cover, Surge Protection(4100 Joules), Designed with Easy to Use Handles
30 Amp RV Surge Protector: It can identify faulty park power and offer 4100 Joules of surge protection. Protects your RV electrical equipment from dangerous high/low voltage, electrical disturbances, and sudden power surges caused by thunderstorms..
RV Circuit Analyzer with LED Indicator Light: The RV surge protector is also a circuit analyzer. The LED indicator light can help you observe the circuit analyzer to detect whether the camping pole wiring is correct, open ground, open neutral, reverse polarity, no power supply, etc..
RV Surge Protector 30 Amp Surge Guard Full Protection: The rainproof cover protects your power plug from getting wet, and the heavy-duty flame retardant PVC material makes it extra safe to use. Increases protection from inclement weather and reduce the risk of short circuit. RV camper supplies for travel trailer..
Reliable Surge Protector Circuit: A 3-level complementary surge protection circuit composed of TVS, MOV (metal oxide varistor), and GDT (gas discharge tube) with minimum 4100J energy absorbing capacity, could protect your devices much more quickly and reliably..
Our After Sale Service: Our friendly and reliable customer service will respond to you within 24 hours. You can purchase with confidence, with our 30-day return....
Caline Guitar Effect Pedal Power Supply 10 Isolated DC Output for 9V/12V/18V 100mA 500mA Effect Pedal with Short Circuit Protection and Overcurrent Protection, Black-DC10, (DC10)
【10 INDIVIDUAL OUTPUT】The guitar pedalboard power adapter is designed for effect pedal. 10 isolated output included: 9V 100mA port x7, 9V 500mA port x 1, 12v 100mA x 1, 18v 100mA x 1..
【SHORT-CIRCUIT / OVER-CURRENT PROTECTION】10 isolated output has short circuit protection and work independently. Short circuit of one channel would not affect the other channels..
【LED POWER INDICATOR】Bright blue LED lights will indicate the short circuit problem where occurs. All indicator lights will usually light up after the power is turned on, and the LED indicator lights will go off in the event of a short circuit..
【LOWER NOISE / HEAT DISSIPATION】Built-in powerful noise filter, this pedal power brick can greatly improve the noise problem. Using high-quality heat-dissipating aluminum alloy materials. Selected IC chips with less heat generation, enough space inside the equipment for fast cooling down..
【Why Choose us】Our guitar effect pedal power supply come with 365 days technical support. We hope our guitar effect pedal power supply can create a more relaxed and happier experience for you and your favorite music. If you have any worries, just feel free to contact us..
6 Gang Marine Boat Rocker Switch Panel Waterproof Overload Protector,12-24V Pre-Wired Rocker Switch LED Indicator,Multi Function Marine Toggle Switche for RV Truck Boat SUV,2 Years Warranty
【Multi-function Switch Panel】: Including 6 witches with rubber impermeable rubber ring and waterproof cap blue LED rocker switch, 6 circuit breakers, suitable for all types of circuit control, the circuit breaker will automatically cut off the power and protect the safety of electrical appliances, each light and switch used independently..
【DIY Design】: A set of crystal multifunctional stickers are presented, PC transparent stickers can display text at night, which can be boldly DIY according to your needs and apply different Applications..
【Safe and Durable】: Marine switch panel is CE, FCC, ROHS certified, with H65 copper plating and silver plating process, with heavy duty ABS fireproof UL94-V1 panel, built-in DC32V overcurrent protector, contacts made of silver-tin alloy. Small resistance, stable circuit, panel with overheat, overcurrent, overcharge, short circuit protection, can be safely used.
【IP65 Waterproof Process】: The boat switch has a unique process in the waterproof structure, the front of the product has a splash-proof plate, waterproof cap, impermeable rubber ring, waterproof plate, gasket Ultra-thin silicone mold, a variety of material protection to prevent water from entering the inside of the switch panel, to ensure inte....