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