This crystal clear sensory liquid set contains three cylinders made from high impact plastic containing a sparkling water and glycerol based liquid one of each in gold silver and blue. When turned upside down or shaken the glitter storm swirls then suddenly slows providing a captivating and fascinating resource for quiet focus. Ideal for inspiring curiosity developing creative language and understanding simple scientific principles.The liquid used to create this set is made from: Polyisobutene (CAS 9003-27-4) Food colouring. All materials used in the manufacturer of our sensory liquid products are within the permissible limits set by the European Classification Labelling & Packaging Regulations (CLP 2008).Size: 140 x 50mm.