9241 Wheels Set is a set that includes only 2 kinds of LEGO Wheels and tires, but includes 90 of each. Here's some info: * Get rolling with LEGO® wheels! * If your LEGO creations are always on the move, you need lots and lots of wheels! Set includes 2 different sizes of tyres, plus axles and wheel hubs to keep your creations rolling on and on.