Sunnytech Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit (LT001)
$39.99 in stock
1 new from $39.99
2 used from $34.19
2 used from $34.19
- FANTASTIC SMART THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----The stirling engine is produced with high quality material and elegant workcraft. this stirling engine adopts mirror surface stainless steel for the base, glass cylinder liner, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting. Oil-free.
- OPERATION EASILY----Pour a cup of hot coffee, put the stirling on the cup, it run magically. When it slows down, the coffee temperature is suitable for drink. Enjoy physical powertrain mechanism display and coffee. It also can work on top of ice cube. Some guys put the stirling on cup of hot water and put small ice cubes on the stirling upper plate. This makes the temperature difference much bigger than normal, then it runs even more fast and crazy. Just enjoy the toy!
- LONG LASTING----It can run for 24+ hours continuous without any broken if there are continuous power supplies. One customer put the stirling on USB hot plate (excluded in the package) and the stirling runs on his desk for weeks. Don’t burn the stirling base or put it in the stove, the stirling plastic parts will damage.
- PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.
- AMAZING CONVERSATION PIECES ON YOUR DESK----It's funny to see people's looks and reactions when they squeeze a little shot for this Stirling engine. Put it on the cup which full with hot waters, give the flywheel a gently push, and get the flywheel going, and then it works like charm. All of your guests want to know what happened, ice-breaking success. What a marvelous toy!
LCD Digital Microscope,4.3 Inch 1080P 10 Megapixels,1-1000X Magnification Zoom Wireless USB Stereo Microscope Camera,10MP Camera Video Recorder with HD Screen
$60.99 in stock
2 new from $60.99
1 used from $49.99
1 used from $49.99
- 【4.3 Inch High Definition Lcd Screen】 Featuring 720P high resolution,10.0MP camera technologh and precise focus, LCD digital microscopes helps you see the clear details of tiny objects easily. 4.3 inch screen provide large visual field, for easily and accurately observe, solder etc, eyes are no longer fatigue. Support capture images(JPG) and record videos(AVI).
- 【Long Working Distance & Stabler & Durable】Three time recording modes of 3, 5, 10 minutes, Adjustable stand, perfect for repair, soldering and large objects inspections etc. Rugged metal base provide stability, reduce vibration to keep your specimen in sharp focus.
- 【Complete Configuration】 8 adjustable leds lights provide ample even lighting and excellent detail and optimal clarity. Yellowish color provides better contrast, helping you see the clear details easily,32G TF Card,3000 mA rechargeable battery,Can work long hours.
- 【More Functions】2 kinds of resolutions, 7 kinds of picture quality, 5 kinds of white balance modes, adjustable exposure compensation, allowing you to observe more comprehensively.
- 【Wide Applications & Service 】 Specially designed for electronic repairs and solder(phone, PC, watch etc ), QC inspection, insect and plants observations, fabric weaving, coins and tiny electrical components inspection etc. Also, all microscopes are covered with our 7*24 Hours service, please contact us if you have any questions.
Steve Spangler Science Energy Stick – Fun Science Kits for Kids to Learn About Conductors of Electricity, Safe, Hands-On STEM Learning Toy, Independent or Group Activity for Classrooms or Home
$7.99 in stock
3 new from $7.99
- HANDS-ON STEM SCIENCE: The Steve Spangler Science Energy Stick is a one-of-a-kind toy to learn and explore the science of electricity and circuits by putting the power in kids’ hands & turning their body into a human conductor of electricity
- SHOWS HOW OPEN & CLOSED CIRCUITS WORK: The Energy Stick is a great visual science tool where kids put one hand on each end of the conductor stick to complete the circuit, sparking the emittance of sound and fun flashing lights
- SAFE CIRCUIT STICK TOUCH & HANDLE: These STEM educational toys are 7. 5” long, have electrodes on each and are completely safe to continuously touch and handle with bare hands
- SOLO OR GROUP STEM LEARNING: This science experiment kit is one of the top STEM activities for kids because it lends well to independent or group learning – where friends can hold hands in a circle to test their conductivity
- COMPLETE KIDS SCIENCE KIT: Each Energy Stick comes with an activity guide that teaches young scientists about open and closed circuits, conductors and insulators. Choose between 1 or 4 individually packaged energy stick kits