Perhaps best known for its adult-sized scales, Withings has released the Smart Kid Scale ($180, aka WS-40), a Bluetooth and Wi-Fi wireless digital scale designed specifically for precise child weight measurements from ages 0 to 8. Shipped with a baby-sized tray that attaches directly to the rest of the scale as needed -- then detaches once a baby is capable of standing -- the Smart Kid Scale also arrives with four AAA batteries for power, and a retractable…
