It evolved level 23 in the Crystal version.
level 23
Granbull
Evolve it from Snubble.
you can't. you have to beat him and catrpie tells you that somthing happned to snubble(he evolved into grandbull).
It is suppose to evolve at the Level of 20,but if you want it to evolve later it can evolve anything after it is at Level 20.
It will evolve by level. Teddiursa will evolve into a Ursaring at level 30.
They evolve at level 36
It will evolve at level 36.
They evolve on level 40
it evolve on level on 64
Route 38
To evolve a Sandshrew level it up to Level 22 and it will evolve into Sandslash.