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Flash Rocks

6 reviews
Availability:
Out of stock
Sold out
Original price $4.99 - Original price $4.99
Original price
$4.99
$4.99 - $4.99
Current price $4.99
Shipping FAQ's

Contiguous US: Free Shipping on orders over $49. $5.95 on orders under $49. Average transit time of 4 business days. Rush shipping options are also available.

Alaska + Hawaii: Flat rate for all you can ship $23.99. Average transit time of 3 business days.

International: We ship to most countries. Shipping fee is based on weight and dimensions of order. Transit times vary based on your country's customs processing times.

Processing time: All orders ship from our warehouse in Virginia within one business day.

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Free Shipping

We offer free shipping on qualified orders over $49 after any coupons have been applied and shipping within the contiguous United States. Orders under $49 ship to the contiguous United States for $5.99 (more information)

Time To Ship

Orders ship within 1 business day from our warehouse in Virginia. Delivery days are shown during checkout. We offer standard and rush delivery methods.

APO + FPO Addresses

We ship to APO and FPO addresses via the USPS and include the required customs forms. Free shipping is not available.

Alaska + Hawaii

We offer a flat rate of $23.99 for all you can ship to Alaska and Hawaii.

International Shipping

Shipping charges are based on your delivery location and order weight/dimensions. You will be shown the cost and approximate delivery date during checkout.

60 Day Returns

Customer satisfaction is extremely important to us!

If you are not completely satisfied with your order, you may return your purchse with 60 days of receiving your order. (view full return policy)

Payments + Quick Checkout

No need to re-enter your information! Check out quickly and safely with Apple Pay, Paypal, Amazon Pay, Meta, G Pay or Shop payment.

Google Trusted Store

Read PerpetualKid.com customer reviews collected from Google!

What would Flash Gordon think?

Is that triboluminescence in your pocket, or are you just happy to see us?

Forseriously though... Just rub our Flash Rocks together to see a totally natural piezoelectric rock show! They'll glow internally and emit a distinctive odor!
If you're lucky... someday soon you will be holding electric potential in your hands, so you can see for yourself. Flash rocks - aka quartz - are one of the few minerals with piezoelectric proprieties. So, when subjected to mechanical stress, these two little rocks generate an electrical charge.
Just place a rock in each hand, and forcefully rub the rocks together. To see the glowing electrical effect fully, you should do this in a darkened room. Also, note the distinctive odor given off by the frictions.
Made in the USA. Stone size varies. Card measures 3.5 inches wide x 6 inches long.

Perpetual Kid Reviews from Google