• The patterns can glow in the dark to bring kids unlimited fun • Can be converted into a kids couch, lounger chairs, beds, or climbing toys • Soft flannel fabric and elastic sponge offer great softness and comfort • ASTM/CPSIA compliant for safe and reliable use • Machine-washable covers for easy cleaning • Smooth zippers for easy cover detachment • Rounded edges and non-rigid structure help to prevent bumps and scratches • Good for kid's curiosity, creativity, imagination physical strength, and hands-on ability • The blocks require 24-48 hours resilience • Requires no assembly for instant use