Grind Basketball on Shark Tank

Grind Basketball makes a portable, collapsible rebounding machine that returns shots to the player. It is designed as a more affordable alternative to large gym rebounders, aimed at players practicing on their own.

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Official website checked Nov 1, 2026.

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⏱ Grind Basketball in 30 seconds

The ask$250K for 5%Valued at $5M
In the tankDeal: $250K for 25%With Barbara and Mark
After the showNot confirmedNo public record either way
TodayStill in business

Grind Basketball Shark Tank deal

Asked for: $250,000 for 5%
Asking valuation: $5M
Result: Deal
Final deal: $250,000 for 25%
Deal valuation: $1M
Sharks: Barbara Corcoran, Mark Cuban
Founders: Thomas Fields
From: -
Aired: May 7, 2021

Asked

$5M

Got

$1M

Would you have invested in Grind Basketball?

The pitch

Thomas Fields pitched Grind Basketball in Shark Tank Season 12, Episode 23 (aired May 7, 2021). They asked for $250,000 in exchange for 5% equity, valuing the business at $5M. The entrepreneurs walked away with a deal from Barbara Corcoran and Mark Cuban: $250,000 for 25%. That put the final valuation at $1M, 80% below what they originally asked for.

What happened to Grind Basketball after Shark Tank?

Still in business Last checked November 1, 2026

Our checks

Nov 1, 2026: Product photo added from the official website.
Nov 1, 2026: Visited the official website: it is working.

As of our last check (November 2026), Grind Basketball appears to still be in business. Its official website is online.

Sources (2)

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Frequently asked questions

Did Grind Basketball get a deal on Shark Tank?

Yes. Grind Basketball got a deal with Barbara Corcoran and Mark Cuban for $250,000 and 25% equity.

Which Shark invested in Grind Basketball?

Barbara Corcoran and Mark Cuban invested in Grind Basketball on Season 12 of Shark Tank. Note that some on-air deals change or fall through during due diligence.

Is Grind Basketball still in business?

As of our last check (November 2026), Grind Basketball appears to still be in business. Its official website is online.

What season and episode was Grind Basketball on Shark Tank?

Grind Basketball appeared in Season 12, Episode 23, which first aired on May 7, 2021.

Where can I buy Grind Basketball?

You can buy Grind Basketball from its official website and often on Amazon.

What was Grind Basketball's valuation on Shark Tank?

The founders valued Grind Basketball at $5,000,000 when they entered the Tank, and the final deal valued it at $1,000,000.