The complex puzzle (520 pieces), when placed in the enclosed frame and illuminated by an LED light strip, changes its image depending on the color of the light (red, blue or green) and reveals different scenes and characters. This is an official product of the Netflix series Stranger Things. Dimensions of the assembled puzzle: 49 x 36 cm. Always concerned about environmental issues, Clementoni makes extensive use of recycled materials, avoiding components that pollute. Conceived, designed and manufactured in Italy.