SPEED INTO HIGH GEAR. BEYBLADE X INTRODUCES THE XCELERATOR GEAR SYSTEM. WHEN THE GEARS OF THE BIT AND XCELERATOR RAIL MEET; TOPS ROCKET FORWARD IN AN XTREME DASH REACHING INTENSE SPEEDS THAT ALLOW FOR BREATHTAKING BURSTS AND COLOSSAL CRASHES. ONLY COMPATIBLE WITH BEYBLADE X SYSTEM. 3 EASY TO ASSEMBLE PIECES. THE INTERCHANGEABLE BLADE; RATCHET; AND BIT LAYERS OF BEYBLADE X TOPS ASSEMBLE AND REASSEMBLE WITH A QUICK TWIST AND TWO CLICKS LEAVING YOU READY TO LAUNCH INTO BATTLE. INCLUDES 1 BEYBLADE X TOP