Educational toys that help children learn. Made using safe and high quality materials. Toys for all age groups, choose to open the lid and watch as fog leaves the chamber and disappears into thin air while you are playing with the laser. The laser fog light show even has a built-in demo mode which lets you sit back and watch the fantasy happen. Use with the lid closed or use it with the lid open its all up to you. Comes with pre-filled bottle of mineral oil- available at any pharmacy to make fog. Power adapter included.