Luminescence: There Are Two Electrode Contacts At The Bottom Of The Product. When Using Skin Or Water As A Conductor, The Internal Light-Emitting Module Will Flicker. It Glows When It Gets Into The Water. If You Don'T Put It In The Water, It Will Light Up Even If You Touch The Bottom 2 Contacts With Your Hand.^Safe Materials: Made Of Plastic Material, Electronic Components, Healthy And Safe. Your Little Child Is Safe.^Cute: The Rubber Duck Is Cute And Colorful, Which Can Attract Children'S Attention. These Funny Ducks Will Attract Little Babies And Fall In Love With These Toys.^Bathing Fun: When The Baby Is Bathing, The Duckling Will Float On The Water And Be Bright And Full Of Fun. Children Love To Play With Them In The Bath. Bring A Great Bath Time With Your Little Ones.^Educational Toys: They Are Ideal For Developing Hand-Eye Coordination, Fine Finger Skills, Color Recognition And Cognitive Processes, Suitable For Baby Shower Toys, Birthday Gifts, Party Favors.^