MARATHON Commercial Grade 100-Hour Digital Timer with Keypad, White - color: White/Silver
MARATHON Commercial Grade 100-Hour Digital Timer with Keypad, White - color: White/Silver
About this item
- LARGE LCD DISPLAY & CUSTOMIZABLE ALERTS: Extra-large LCD screen with bold, easy-to-read digits. Choose between High, Low, or Mute alarm settings, with a flashing red LED visual alert for noisy environments, silent operation, or users with hearing impairments.
- 100-HOUR COUNTDOWN & COUNT-UP TIMER: Tracks elapsed time or counts down to a target time with a maximum capacity of 99 hours, 59 minutes, and 59 seconds. Ideal for cooking, baking, classrooms, laboratories, fitness training, and professional work environments.
- DIRECT KEYPAD ENTRY FOR FAST SETUP: Quickly enter precise timing intervals using the dedicated numeric keypad. No repeated button pressing required, making it ideal for busy kitchens, laboratories, classrooms, and multitasking professionals.
- FOUR INDEPENDENT TIMERS & MEMORY PRESETS: Monitor multiple activities simultaneously with four separate timers. Save frequently used countdown settings for repetitive tasks and interval timing applications.
- CLOCK FUNCTION & STABLE DESKTOP DESIGN: Displays the current time in either 12-hour or 24-hour format when not in timer mode. Raised display angle and non-slip base provide excellent visibility and stability on countertops, desks, and workstations.
Overview
- Color: White/Silver
- Brand: MARATHON
- Material: Plastic
- Item Weight: 7.09 ounces
- Number of settings: 5
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
-
Creator 5 Build Plate Double Sided Textured Board Removable Heated Bed - color: Gold
Regular price $34.20 USDRegular priceSale price $34.20 USD -
35PCS 3ml Vial Caps, Peptide Caps for 1ml 2ml 3ml 4ml Vials Peptide Storage Protective Cap, Reusable Silicone Vial Covers Fit Peptide Case for Fridge by DawnBox, Leak-Proof and Dust-Proof.
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Koala Lens Cleaning Cloth | Japanese Microfiber | Pink & Orange (Pack of 6) - color: Pink / Orange, size: 6 Pack
Regular price $16.58 USDRegular priceSale price $16.58 USD -
Amazon.com. Spend less. Smile more.
Regular price $663.93 USDRegular priceSale price $663.93 USD -
Honoson 2pcs Tweezers with Rubber Tips Set Bent and Straight, Silver, Blue - color: Silver, Blue
Regular price $14.09 USDRegular priceSale price $14.09 USD -
3 Pack 24 Grids Clear Plastic Storage Box with Dividers - size: 24 Grids
Regular price $29.86 USDRegular priceSale price $29.86 USD -
VIGRUE 636PCS Grade 8 Bolt Assortment Kit, 1/4-20, 5/16-18, 3/8-16, 1/2-13 Heavy Duty SAE Bolts and Nuts Washers Kit - size: 636PCS SAE 1/4-20, 5/16-18, 3/8-16, 1/2-13
Regular price $106.22 USDRegular priceSale price $106.22 USD -
Honoson 2pcs Tweezers with Rubber Tips Set Bent and Straight, Silver, Red - color: Silver, Red
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Make 8 Gallons of Fake Snow for Easy Winter Sensory Play
Regular price $33.18 USDRegular priceSale price $33.18 USD -
4 Pack 18 Grids Clear Plastic Storage Box with Dividers - size: 18 Grids
Regular price $26.54 USDRegular priceSale price $26.54 USD -
Honoson 2pcs Tweezers with Rubber Tips Set Bent and Straight, Silver, Green - color: Silver, Green
Regular price $13.26 USDRegular priceSale price $13.26 USD -
VIGRUE 521PCS M6 M8 M10 Flange Bolts Assortment Kit Metric Class 8.8 Serrated Hex Cap Flange Hex Bolts Flange Nuts Assorted Set, Coarse Full and Half Threads - size: 521PCS M6 M8 M10 Flange Bolts
Regular price $98.75 USDRegular priceSale price $98.75 USD -
4 Pack 12 Grids Clear Plastic Storage Box with Dividers, Transparent Organizer Container Case for Small Parts, Bead, Button, Jewelry, Diamond, Craft Supplies,Sewing Kit, DIY Accessories - size: 12 Grids
Regular price $23.22 USDRegular priceSale price $23.22 USD -
VIGRUE 405PCS Hex Bolts Nuts Washers Assortment Kit 1/4-20 5/16-18 3/8-16 - size: 405PCS SAE 1/4-20 5/16-18 3/8-16
Regular price $78.83 USDRegular priceSale price $78.83 USD -
Honoson 2pcs Tweezers with Rubber Tips Set Bent and Straight, Silver, Black - color: Silver, Black
Regular price $13.26 USDRegular priceSale price $13.26 USD -
G10 Build Plate Compatible with Bambu Lab H2S H2D 3D Printer, 340x320mm FR4 Garolite Print Bed Surface with Magnetic Metal Backing, High-Adhesion Glassy Sheet for Nylon, ABS, PC, PETG, PLA
Regular price $91.28 USDRegular priceSale price $91.28 USD -
VIGURE 228PCS M6 M8 Metric Bolt Assortment Kit, M6 x 12/16/20/25/30mm Stainless Steel Flanged Hex Bolts and M8 x 16/20/25/30mm Flange Metric Bolts and Nuts Kit - size: 228PCS M6 M8 Metric Bolts
Regular price $54.76 USDRegular priceSale price $54.76 USD -
3 Pack 36 Grids Clear Plastic Storage Box with Dividers - size: 36 Grids
Regular price $36.50 USDRegular priceSale price $36.50 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-
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
-
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.
















