Owlet Smart Sock Monitor Duo Model_Castle Marbleworks Marble Run "Your children and their friends

"Your children and their friends will spend hours devising new games and scenarios on their backyard jungle gym

"Nothing quite beats the feeling of riding a bike for the first time

Can also be used as a replacement

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2 Pack | UPF 30+ Protection

Owlet Smart Sock Monitor Duo Model_Castle Marbleworks Marble Run "Your children and their friendsCondition: Gently Used "Track your babys heart rate, while being able to get a window into what they are doing. Parents can see and hear baby from anywhere by using the Owlet app." Would you rather pay full price for this item? You can find a similar item on Amazon by clicking here Owlet Duo Cam and Smart Sock 3 Smart Baby Monitor with Camera Measures Heart Rate and Oxygen Night Vision and Audio iOS and Android Compatible Secure, Encrypted HD Video