Dimension(each): approx. 0.47×1.38inch(D×L) | Each will last 2-70 hours , 2 hours is optimal brightness | Powered by 3pcs LR41 button cell batteries, included and replaceable | Easy to Use: Remove the white tab and turn LED on and off by twisting the base | Great to illuminate wedding paper lanterns, balloons, diy crafts, floral arrangements, garlands, bouquets, bridal sets, centerpieces, place settings, vases

✅ PREMIUM QUALITY: Wind up toys are made with high quality and safe materials. Non-toxic and odorless. | ✅ VALUE PACK: Includes 12 Popular Christmas Characters: 3 santa claus, 3 reindeer, 4 snowman and 2 penguin. | ✅ FUN TO PLAY: Give the knob on Windup Toy a few twists and watch it jump, run, rotate, flutter and so on. Kids will get so much fun from these little clockwork toys. | ✅ EDUCATIONAL TOYS: Wind-up toy can also be educational to (observe and investigate) the motion of energy, Measuring the distance, and timing the speed. The fun and learning is Endless with the Wind-up toys! | ✅ THE BEST HOLIDAY GIFT: Perfect gift for kids party favors, goodie bags, motivational prizes, Christmas stocking stuffers.