This car is perfect for itermidiate drivers. The chassis is well balanced. Plenty of speed for an Xb model. There are a number of thing you can add on like motor, tires, special shocks, ball-bearings ect. I personally like the tt-01. If you compare it to a tl-01, there is not as many parts but the tl-01 is to hard to access parts like gears and stuff.The tt-01 has a more leveled center of gravity. I wish i could got a tl-01 cause of all the many mroe parts but this is just as good. Its good for racing especially the one i have and all i did to it. I beat tl-01's, tb-01s in races. But if your new into the hobby then i would reccomend it.