Transform retired marathon shirts into self-sustaining smart dog toys. Every wag generates energy. Every old gym outfit finds new life.
You open the package to find your dog's new toy crafted from your favorite retired marathon shirt. As your dog chases it, the spinning windmill mechanism inside captures every joyful bound—lighting up the collar and updating your phone with live GPS location. All powered purely by play. No charging. No wires. Just purpose.
Click the toy below to simulate play and watch energy generation