Wouldn't this solve the world energy crisis?

You may want to take a look at this - the idea may work for developing countries. http://www.smithsonianmag.com/innovation/a-potato-battery-can-light-up-a-room-for-over-a-month-180948260/?no-ist

How long does it run on the potatoes?

We had it for about a week and it ran strong. The potatoes started to look bad so we threw the whole thing out. I imagine it would run the clock until the potato went completely bad.

Followed directions about setting time, but didn't work. Any hints?

Here are the instructions for setting the clock. These are provided with the kit as well. SETTING THE CLOCK 1. Setting the clock When all the metal plates are first inserted into the potatoes, the LED screen will light up and will show a static display of "12:00". Press A once, the clock will start working. You will see the two dots in the middle start flashing. Press B twice to obtain the set month mode, then press A to adjust to the right month. Press B to confirm and the display will switch to the set day mode. Press A to adjust to the right day. Press B to confirm and switch to the set hour mode. Press A to adjust to the right hour. Press B to confirm and switch to the set minute mode. Press A to adjust to the right minute and press B to confirm. After the minute is confirmed, press A once. The set time will be displayed. 2. Viewing the clock By default, the clock display shows the current time. To view the Date: Press A once. The clock display will resume showing the current time after 2 seconds. To view the seconds, press A twice. To resume the current time, press A again.

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🥔⚡ Time powered by nature—tick tock, no batteries needed!

COMPACT PORTABLE - Small, lightweight design fits perfectly on any desk or shelf.
ECO FRIENDLY POWER - Harness natural potato energy—no batteries, no waste.
INTERACTIVE STEM FUN - Engage with real electrochemical reactions for hands-on learning.
UNIQUE CONVERSATION STARTER - Show off your sustainable tech savvy with this one-of-a-kind clock.
PERFECT GIFT FOR CURIOUS MINDS - Ideal for kids 7+ and adults who love quirky science gadgets.

The 4M Potato Clock by Toy Smith is a compact, battery-free digital clock powered by the natural oxidation process in potatoes. Designed for ages 7 and up, it offers an engaging STEM experience by converting chemical energy into electrical energy, making it a fun, eco-friendly educational toy that doubles as a unique desk accessory.

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Model Number	00-03275
Number of Game Players	1
Number of Pieces	1
Batteries Required?	No
Batteries Included	No
Target Gender	Female
Item model number	00-03275
Product Dimensions	10.16 x 8.26 x 6.35 cm; 0.28 g
ASIN	B001T8OFQM

4M Potato Clock by Toy Smith TOY ドール人形フィギュア(並行輸入)

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Common Questions

4M Potato Clock by Toy Smith TOY ドール 人形 フィギュア(並行輸入)

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

4M Potato Clock by Toy Smith TOY ドール人形フィギュア(並行輸入)