The amazing Surfloor liquid tile comes in 4 bright cosmic liquid colours that move with every step, jump, dance, or Hop! these tiles are new to the USA but have already become a big hit throughout Europe in schools, kindergartens, retail stores, hotels, bars, restaurants, museums, kid's playrooms, bedrooms, and more.The bold contrasting and changing colour patterns of the Surfloor tiles will stimulate sensory and perceptual development while being mesmerising fun for all! the tiles are 50cm x 50cm , are leak-proof, and contain an anti-slip back side pad.