The cubes make an excellent seat, ideal for a sensory corner or reception area. Using the remote control you can choose one of 16 different colors or set to fade smoothly through the entire spectrum of shades from a cool ultra-violet to a warm red. Their appearance is mesmeric and the color spreads evenly throughout the whole shape. All shapes can be charged via the safe low voltage charging unit supplied or from any 5V USB source. With an 8-hour charge cycle they can be used wherever required providing an average of 10 hours of light, inside or out. The units are water resistant and holds up to 176 lbs.