The product is a set of True Legends Construction Mega Blocks, consisting of 519 pieces to build a stealth hideaway called Escondite. Released in 2013 by Mega Bloks, this building toy set is designed for children aged 5 and older, appealing to both boys and girls who enjoy constructing various structures and scenes. With the construction theme, this set provides endless possibilities for creativity and imaginative play, allowing kids to create their own secret hideaway while developing problem-solving skills.