# Educational Kits > STEM educational kits: electronics experiments, magnetism, Stirling motors, solar robotics, Micro:Bit and Arduino boards - Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt) - Category page: https://sigmanortec.ro/en/educational-kits - Category: Mechatronics and IoT > The Kit > Educational Kits - Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest) ## Products (10) ### Circular Electromagnetic Accelerator Kit, Cyclotron - Page: https://sigmanortec.ro/en/circular-electromagnetic-accelerator-kit-cyclotron - Details: https://sigmanortec.ro/en/llms/p/2246.md - Price: 361.20 RON - Availability: In stock; 1-2 zile - Reference: 88084 · EAN: 5941040663662 Educational demonstration kit for visualizing the circular acceleration of charged particles. Circular track with acrylic base, 4 electromagnetic coils and 4 inductive sensors propel the metal balls clockwise, with an LED confirming each detection on every coil. Powered by 12V DC, power supply included. Circuit diameter 25cm. Package: 1 circular track, 1 power supply, 2 metal balls. Ref. 88084. ### Freenove UNO R4 WiFi Starter Kit, 286 pieces - Page: https://sigmanortec.ro/en/freenove-uno-r4-wifi-starter-kit-286-pieces - Details: https://sigmanortec.ro/en/llms/p/2237.md - Price: 462.41 RON - Availability: Out of stock - Reference: 88074 · EAN: 5941291152335 Complete kit to learn Arduino, electronics and robotics through 78 guided projects, with UNO R4 WiFi board and integrated LED matrix, generous set of sensors, motors and displays for experiments from basic to advanced, PDF tutorial in English for quick setup and step-by-step exercises, ideal for school, laboratory or hobby. Starter kit in the world of Arduino, Freenove brand, created for those who want to learn electronics and robotics in a practical and accessible way. ### Stirling Engine Experiment Model, Hot Air - Page: https://sigmanortec.ro/en/stirling-engine-experiment-model-hot-air - Details: https://sigmanortec.ro/en/llms/p/2163.md - Price: 191.54 RON - Availability: Out of stock - Reference: 9993 · EAN: 5942220130004 Fully functional Stirling engine experiment model using hot air, made of metal, reference 9993. It is heated with the included lamp (requires 95% alcohol) and started by gently pushing the flywheel. Via pulley and belt it drives an electric motor used as a generator, allowing an LED to light up. Dimensions approximately 150 x 70 mm, weight approximately 480 g. Suitable for educational purposes. ### STEM electronics experiment kit, model 3688, 91 pieces - Page: https://sigmanortec.ro/en/stem-electronics-experiment-kit-model-3688-91-pieces - Details: https://sigmanortec.ro/en/llms/p/1995.md - Price: 379.11 RON - Availability: Out of stock - Reference: R-9814 · EAN: 5943149341298 - Specifications: Model: 3688 STEM electronics experiment kit, model 3688, with 91 numbered and color-coded pieces, snap-fastener connections on a grid, no soldering or tools required. Allows building over 511 functional projects such as an AM/FM radio, fan, generator or voice recorder. Requires AA batteries, not included. Recommended age: 8+ years. ### Acoustic suspension kit, ultrasonic, DIY, 12VDC, 16mm, 40KHz - Page: https://sigmanortec.ro/en/acoustic-suspension-kit-ultrasonic-diy-12vdc-16mm-40khz - Details: https://sigmanortec.ro/en/llms/p/1756.md - Price: 81.32 RON - Availability: In stock; 1-2 zile - Reference: 9647 · EAN: 5940761008110 - Specifications: Input Voltage: 12VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. DIY acoustic suspension module, allows a polystyrene ball to be levitated between two ultrasonic emitters, ideal for educational demonstrations and lab experiments. Operates at 12VDC, uses 16mm speakers, generates ultrasound at 40MHz and includes expanded polystyrene for quick testing. The ultrasound generator module that allows the levitation of ultralight objects using a frequency of 40MHz. The kit includes a piece of expanded polystyrene that you will use for levitation. This product does not necessarily have a practical purpose but can be used for educational purposes to demonstrate the idea of using sound waves to manipulate physical objects. Specifications: Supply voltage: 12VDC … ### Electronic, physical and electromagnetic experiment kit - Page: https://sigmanortec.ro/en/electronic-physical-and-electromagnetic-experiment-kit - Details: https://sigmanortec.ro/en/llms/p/1757.md - Price: 355.20 RON - Availability: In stock; 1-2 zile - Reference: 9648 · EAN: 5945800755314 Educational kit (ref. 9648, EAN 5945800755314) for experiments in electromagnetism, electrical circuits and physics. Includes an assembly platform, ammeter, voltmeter, coils, magnets, electromagnet, small motor, LEDs, bulbs, switches, resistors, compass, electroscope and other parts, plus an illustrated guide and a downloadable English manual. Suitable for classroom or home use under adult supervision. ### Solar car kit - Page: https://sigmanortec.ro/en/solar-car-kit - Details: https://sigmanortec.ro/en/llms/p/265.md - Price: 17.70 RON - Availability: Out of stock - Reference: 22143 · EAN: 5948334085223 DIY educational kit for manual assembly, solar car made of ABS in black and green. Operates solely on solar energy, without batteries, moving in direct sunlight at moderate speed, stable but without climbing or off-road capability. Dimensions: 80 x 75 x 32mm. The kit includes all components needed for assembly, suited for STEM activities. ### Solar insect - Page: https://sigmanortec.ro/en/solar-insect - Details: https://sigmanortec.ro/en/llms/p/236.md - Price: 20.63 RON - Availability: In stock; 1-2 zile - Reference: 22142 · EAN: 5945163343418 Solar insect is an educational toy featuring a green solar panel rated 0.5VDC, sized 30 x 18mm, connected to a vibration motor that makes the insect move when exposed to light. Metal legs provide stable movement, while the eyes and antennae move along with the insect. The solar panel can be removed and reused in other small projects. ### DIY Magnetic Levitation Kit, unassembled, 12V - Page: https://sigmanortec.ro/en/diy-magnetic-levitation-kit-unassembled-12v - Details: https://sigmanortec.ro/en/llms/p/2193.md - Price: 230.72 RON - Availability: In stock; 1-2 zile - Reference: 88039 · EAN: 5942258300240 Unassembled DIY kit for magnetic levitation, operates at 12V 2A (power supply not included). Allows building a circuit with PID control and magnetic field sensors to levitate and stabilize a magnet. Components are soldered onto a PCB with clear markings. Medium difficulty level, weight 310 g, dimensions 85 x 85 mm. Does not include written instructions, suitable for STEM projects or technical hobby use. ### Micro:Bit BBC compatible development board, FZ3143 - Page: https://sigmanortec.ro/en/micro-bit-bbc-compatible-development-board-fz3143 - Details: https://sigmanortec.ro/en/llms/p/1411.md - Price: 182.87 RON - Availability: In stock; 1-2 zile - Reference: 9305 · EAN: 5949831661200 The Micro:Bit compatible development board is ideal for learning programming with the visual editor on Microbit.org, offers integrated sensors, 5x5 LED matrix and programmable buttons for interactive projects, allows Bluetooth communication for quick connection to devices, and expansion with external modules and crocodile cables is easy for experiments and prototyping. Development board compatible with Micro:Bit (not the original version), ideal for learning programming due to the availability of the visual programming interface offered on the official website Microbit.org.