This is the ultimate construction kit 65 million years in the making…the mega 20-in-1 T-Rex kit from Laser Pegs®! Go back to a time when dinosaurs ruled the world and build your all time favorites like the Brachiosaur, Mosasaur, Spinosaur, Anklyosaur, and many more. Don't forget to make some noise with the new light-up sound module that comes loaded with realistic dinosaur roars and growls! Then take the fun to a whole new level when you light up your creations! The possibilities are endless!