Featured Entrepreneurs

Since 2010, MassChallenge has accelerated 2,344 startups that have raised more than $5 billion in funding, generated more than $2.7 billion in revenue, and created more than 126,000 total jobs. 

Our startups

Be inspired. Search our startups.

Invent Boston

The average cost to fill a cavity is $120 plus the daily battles to get kids to brush their teeth well. With the Two MinuteTurtle Timer kids brush teeth eagerly and thoroughly. Kids like to press the button, then follow the blinking flippers through 4 corners of their mouth til the Victory Lap. Designed by parents, tested by kids. Not just another app at bedtime.Join the 1200 families of all learning styles, who have bought one, and whose routines have transformed from struggle to fun.
43% of American kids have cavities.Two Minute Turtle Timer motivates kids to brush well.No more battle of wills. No more screens at bedtime.

Connect with Invent Boston

Invent Boston


2019 Finalist Rhode Island

Sub industry

Consumer Products

Additional Industries
Public Health


MassChallenge strengthens the global innovation ecosystem by accelerating high-potential startups across all industries, from anywhere in the world.