Munchkin White Hot Ducky, heat sensing, helps to maintain warm bath water temperature, ducky changes color when too hot, infant/baby/toddler/kids,0 months and above.

Classic yellow ducky
Features white hot technology; white hot marker turns white to reveal the word hot when bath is too hot, helping prevent bath time burns
Fun easy to grasp size and shape
Water-tight to prevent sinking, squirting and mildew
Suitable for 0 + months