HIT THE X-CELERATOR WITH BEYBLADE X: This fast-paced, spinning top battle toy challenges aspiring Beymasters to level up their game! Assemble the tops, load the launchers, and 3-2-1 Let it rip! (Beyblade X Beystadium required, sold separately). SPEED INTO HIGH GEAR WITH THE BEYBLADE X X-CELERATOR GEAR SYSTEM: When the gears of the bit and X-Celerator Rail meet, tops rocket forward in an Xtreme Dash for breathtaking bursts and colossal crashes (Only compatible with Beyblade X System). 25TH ANNIVERSARY SET BRINGS BACK FAN FAVORITES: Theyre the most popular tops from previous generations, chosen by Beyblade fans, and updated to be compatible with the Beyblade X system! Accelerate into Beyblade battles with fan favorite tops!. INCLUDES 4 TAKARA TOMY-DESIGNED BEYBLADE X TOPS & 4 LAUNCHERS: Interchangeable blade, ratchet, and bit layers of Beyblade X tops assemble and reassemble with a quick twist and 2 clicks. The tops have authentic interchangeable die-cast metal parts. 4 FAN FAVORITE