Join Baby on an exploration of electricity and discover how Christmas lights twinkle! Celebrate Christmas and science in this brainy board book for toddlers. Baby discovers the science behind Christmas lights! Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores electricity, circuits, and electrical safety. Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two as well.