PennyCollector.com - The official website for elongated pennies, penny books and penny machines

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Comments:	Hands On! moved in 2017 to its current location at the Gray Fossil Site. GPS may show city as Johnson City.<p> This brand new all-ages science center offers fun interactive programs and exhibits that include a musical Tesla coil, giant building blocks, and a maker studio inviting guests to engineer a rocket, create a masterpiece, and uncover something new. Get up close and personal with an active prehistoric fossil dig site dating back 5 million years. Enjoy exhibits and programs featuring plant and animal fossils that have been unearthed at the site.<p> Machine is located immediately to the right of the entrance. No admission fee necessary to access machine. Penny should face toward the quarters to press image on reverse. Turn crank slowly for best results.<p> <b>Machine 2:</b> <br> 1) Red Panda - 'Hands On! Discovery Center, Gray Fossil Site - Gray, TN' <br> 2) Hands On! Discovery Center - Gray, TN, <br> 3) Mastodon - 'Hands On! Discovery Center, Gray Fossil Site - Gray, TN' <br> 4) Tesla Coil - 'Hands On! Discovery Center, Gray, TN <p> 'Retired 1: 1) Museum logo, 2) Airplane, 3) Artist palette, 4) An Iguana. <p> 4/24/2026: One of my pennies didn’t catch the die as I was rolling, now multiple pennies stuck on chute. I talked to an employee, they don’t have the key to the machine so they’ll have to call someone to open and remove the pennies from the chute. Unfortunately a 30 second fix will take a couple of days because of this, but hopefully the machine will be back up and running soon. -KJB#5506
	Please be specific regarding the machine location. Is it upstairs? Downstairs? By the entrance? etc...

Hands On! Discovery Center

Machine Locations > Tennessee

1212 Suncrest Drive
Gray, TN , 37615

Phone: (423) 434-4263

Website

Hands On! moved in 2017 to its current location at the Gray Fossil Site. GPS may show city as Johnson City.

This brand new all-ages science center offers fun interactive programs and exhibits that include a musical Tesla coil, giant building blocks, and a maker studio inviting guests to engineer a rocket, create a masterpiece, and uncover something new. Get up close and personal with an active prehistoric fossil dig site dating back 5 million years. Enjoy exhibits and programs featuring plant and animal fossils that have been unearthed at the site.

Machine is located immediately to the right of the entrance. No admission fee necessary to access machine. Penny should face toward the quarters to press image on reverse. Turn crank slowly for best results.

Machine 2:
1) Red Panda - 'Hands On! Discovery Center, Gray Fossil Site - Gray, TN'
2) Hands On! Discovery Center - Gray, TN,
3) Mastodon - 'Hands On! Discovery Center, Gray Fossil Site - Gray, TN'
4) Tesla Coil - 'Hands On! Discovery Center, Gray, TN

'Retired 1: 1) Museum logo, 2) Airplane, 3) Artist palette, 4) An Iguana.

4/24/2026: One of my pennies didn’t catch the die as I was rolling, now multiple pennies stuck on chute. I talked to an employee, they don’t have the key to the machine so they’ll have to call someone to open and remove the pennies from the chute. Unfortunately a 30 second fix will take a couple of days because of this, but hopefully the machine will be back up and running soon. -KJB#5506

Machine 2

Retired 1