The Lego Nexo Knights Set #70315 Clay's Rumble Blade is a retired toy set that includes 367 pieces of plastic building blocks. It features Clay, a Nexo Knight character, and Ash Attacker, a villain character. The set is part of the Nexo Knights theme and was released in 2015. It is recommended for children aged 8-14 who are interested in knights, fantasy, and vehicles.