It fully develops your and your kid's manipulative ability.The finished product after sticking is as bright as crystal.Both a beautiful decoration and a mirror.Multifunctional and environment-friendly，what are you waiting for?Features:DIY distance from different digits， and DIY shape of the digitsSmooth edge which won't cut youEasy to install and remove the sticker;It is self-adhesive， water & steam resistant， non toxic and safety for the childrenSilent sweeping movement， mute movement，give you a quiet night.Specifications:material:acryliccolor:silverweight:400g