Why Your Beyblade X Will Not Assemble
A bey that will not click together is almost always an alignment or debris problem rather than a broken part.
Check the order
The Bit goes into the Ratchet, and the Ratchet locks into the Blade. Assembling out of order, or trying to seat the Blade before the Bit is fully home, prevents the final lock from engaging.
Align the marks
Beyblade X parts have alignment indicators that must line up before the components will rotate into lock. If you are forcing it, you are almost certainly misaligned rather than dealing with a tight fit.
Clear debris
Grit in the locking channel stops the parts seating. Blow out or wipe the mating surfaces and try again before applying more force.
Know when a part is worn
If a combination that used to assemble easily now will not, or will not stay locked, the contact surfaces have worn. That part needs replacing rather than persuading.