AJ is an 8-year-old techie who drives monster-truck Blaze, the top racer in Axle City. The two go on adventures that have them taking on problems involving science and math. This Blaze and the Monster Machines backpack features the phrase "Blazing Speed!" along with the iconic monster truck known as Blaze and some of his friends! The backpack has two main pockets and two water bottle side pockets on either side. It also has adjustable backpack straps on the back for that perfect fit for any fan! Manufacturer recommended age: 3 years and older.