- Novel green science potato digital clock
- You can know how to make a real galvanic battery from potatoes to power a digital clock
- Zinc and copper electrodes create an electrochemical reaction to generate voltage
- And converts the chemical energy stored in the metal strips into electrical energy
- Also learn how to wire up a simple circuit
- You may experiment with different liquids like salt water, fruit juices or fruit like lemon, orange, tomato besides potato
- A unique experimental kit that inspires young scientists
- Mini LCD clock with stand to show the time, month & day
- With 2 buttons on the clock to adjust the time
- Environment friendly and lightweight, easy to use
- A super gift for your children!
- Clock size: 65 x 30 x 10mm/ 2.6 x 1.2 x 0.4in
- Cup size: 60 x 48 x 48mm/ 2.4 x 1.9 x 1.9in
- Note: Intended for children aged 8 and upwards
- 1 x Digital Clock with Wires
- 1 x Connecting Wire
- 2 x Cups
- 1 x Set of Transparent Tapes
- 2 x Copper Strips
- 2 x Zinc Strips
- 1 x User Manual
|Available Shipping Method||Tracking NO.||Estimated Delivery|
1) Estimated delivery time includes processing time and actual shipping time. Normally our processing will take 1-2 working days.
2) Estimated Delivery Time shown above is only for reference, since actual delivery time depends on shipping service selected, delivery schedule and local customs clearance time, especially during peak periods.
3) Shipping Costs shown include fuel surcharges and may change a bit due to the fluctuation of currency exchange rates.
4) For the order with only one item (only one item):
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.
5) For the order with multiple items (multiple items):
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.
A. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
B. Please check with your country's customs office to determine what these additional costs will be prior to buying.
All the cell phones you bought from Tinydeal.com come with 6-month warranty and all the items we offer have a 3-month warranty. See additional details, please refer to our Shipping & Returns or our FAQ Return Policy.
|No discussions yet.|
Want to join in this discussion, sign in or create an account to post or reply. We will give you instant bonus 1-5 TD Points Thanks for your support.
Tips:TinyDealDiscussion Forum is an open platform. All topics of our products are allowed here except spam. For professional questions, please contact us via firstname.lastname@example.org or post them in our FAQ for a guaranteed response. We make every effort to make the quickest replies.
- HAITIAN CREOLE
- PORTUGUESE PORTUGAL
Are you going to sign up for a new member?