Digital Simple Stopwatch Timer, Single Lap Countdown Timer with On/Off, AAA Battery (Included) for Kids Students Coaches, Yellow - color: Yellow
Digital Simple Stopwatch Timer, Single Lap Countdown Timer with On/Off, AAA Battery (Included) for Kids Students Coaches, Yellow - color: Yellow
About this item
- Ergonomic Design: This mostrust sports stopwatch timer is ergonomically designed for your hands, you will feel comfortable and flexible when you press the button. This basic stopwatch is light weight and easy to use for kids training or sports match
- Countdown Function: MOSTRUST digital stopwatch timer with 47in lanyard (neck strap) has countdown function, max countdown time up to 9 hours 59 minutes 59 seconds
- Single Split/Lap: Times single lap and split event measure up to 9 hours 59 minutes 59 seconds
- Easy to Use: Only Stopwatch and countdown function with 3 buttons, displays minutes, seconds & 1/100th seconds, easy to view time and record data
- On/Off with AAA Battery: This stopwatch uses one standard AAA battery which is very easy to find and install. The simple stopwatch has on/off function with one AAA battery(Included). Hold on the ON/OFF button 5 seconds to turn it on/off
- High Precision Timing: Laser tuned for 1/100th second accuracy with low energy consumption, suitable for athletes, runners, coaches, referees, and students during various sports activities
- Complete Package: Includes MOSTRUST Digital Stopwatch, black lanyard for convenient carrying, user manual, and AAA battery for immediate use right out of the box
Overview
- Color: Yellow
- Brand: MOSTRUST
- Material: Plastic
- Product Dimensions: 2.9"D x 0.7"W x 2.3"H
- Item Weight: 1.6 ounces
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-
Reprapper Triple Color Filament Coextrusion PLA Filament 1.75mm for 3D Printer, Multicolor Like Dual Color Silk Rainbow pla, 2.2lbs (1kg), Silk PLA Gold/Copper/Black - color: 3colorpla-1.75mm-1kg-s-gold-copper-bk
Regular price $36.50 USDRegular priceSale price $36.50 USD -
Furinno Turn-N-Tube Toolless Multipurpose Printer Stand Display Storage Shelf Cabinet with Wheels, French Oak Grey/Black - color: French Oak Grey/Black, size: Cabinet with Wheels
Regular price $61.42 USDRegular priceSale price $61.42 USD -
Furinno Turn-N-Tube 5-Tier Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, French Oak Grey/Black - color: French Oak Grey/Black, size: 4-Tiers Storage
Regular price $144.40 USDRegular priceSale price $144.40 USD -
10-Pack IR Obstacle Avoidance Sensor Module, Adjustable
Regular price $14.56 USDRegular priceSale price $14.56 USD -
Komelon 8m/26' LED Tape Measure - Inch Metric - style: Inch Metric - 8m / 26 Foot
Regular price $25.91 USDRegular priceSale price $25.91 USD -
Furinno Turn-N-Tube 4-Tier Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, French Oak Grey/Black - color: French Oak Grey/Black, size: 3-Tiers Storage
Regular price $61.42 USDRegular priceSale price $61.42 USD -
Furinno Turn-N-Tube 4-Tier Wide Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, French Oak Grey/Black - color: French Oak Grey/Black, size: 3-Tiers Storage (Large)
Regular price $61.42 USDRegular priceSale price $61.42 USD -
Furinno Turn-N-Tube Toolless Multipurpose Printer Stand Display Storage Shelf with Top Cabinet, French Oak Grey/Black - color: French Oak Grey/Black, size: 3-Tiers with Cabinet
Regular price $68.04 USDRegular priceSale price $68.04 USD -
Furinno Turn-N-Tube 3-Tier Toolless Multipurpose Printer Stand Display Storage Shelf, French Oak Grey/Black - color: French Oak Grey/Black, size: 2-Tiers Storage
Regular price $34.28 USDRegular priceSale price $34.28 USD -
Furinno Turn-N-Tube Toolless Multipurpose Printer Stand Display Storage Shelf Cabinet with Wheels, Columbia Walnut/Black - color: Columbia Walnut/Black, size: Cabinet with Wheels
Regular price $101.51 USDRegular priceSale price $101.51 USD -
Furinno Turn-N-Tube 5-Tier Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, 16 (D) x 23 (W) x 54 (H) inches, Columbia Walnut/Black - color: Columbia Walnut/Black, size: 4-Tiers Storage
Regular price $144.40 USDRegular priceSale price $144.40 USD -
Furinno Turn-N-Tube 4-Tier Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, Columbia Walnut/Black - color: Columbia Walnut/Black, size: 3-Tiers Storage
Regular price $68.04 USDRegular priceSale price $68.04 USD -
Furinno Turn-N-Tube Toolless Multipurpose Printer Stand Display Storage Shelf with Top Cabinet, Columbia Walnut/Black - color: Columbia Walnut/Black, size: 3-Tiers with Cabinet
Regular price $60.26 USDRegular priceSale price $60.26 USD -
Furinno Turn-N-Tube 5-Tier Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, Americano/Black - color: Americano/Black, size: 4-Tiers Storage
Regular price $144.40 USDRegular priceSale price $144.40 USD -
Furinno Turn-N-Tube 3-Tier Toolless Multipurpose Printer Stand Display Storage Shelf, Columbia Walnut/Black - color: Columbia Walnut/Black, size: 2-Tiers Storage
Regular price $68.04 USDRegular priceSale price $68.04 USD -
Furinno Turn-N-Tube 4-Tier Wide Toolless Multipurpose Printer Stand Display Storage Shelf with Wheels, Columbia Walnut/Black - color: Columbia Walnut/Black, size: 3-Tiers Storage (Large)
Regular price $62.15 USDRegular priceSale price $62.15 USD -
RepRapper PLA Plus (PLA+) Upgraded Filament Bundle 1.75mm, Tougher & Stronger, 3D Printing Filamentfor for 3D Printer, 250g*4 - color: 1-mpla-red Oe Blue Gn-1.75mm
Regular price $36.50 USDRegular priceSale price $36.50 USD -
Furinno Turn-N-Tube Toolless Multipurpose Printer Stand Display Storage Shelf Cabinet with Wheels, Americano/Black - color: Americano/Black, size: Cabinet with Wheels
Regular price $83.00 USDRegular priceSale price $83.00 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
-
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...

















