This is the third SpritePack so far. To use 3D cat: Export 3Dkitty. Make your project and import the sprite in. To use Glide cat: Export acceler-kitty. Make your project and import the sprite in. To use Pi cat (hidden, has a Pi variable): Export Pi kitty. Make your project and import the sprite in. Use the variable Pi for the number Pi. Please note: my project SpritePack 3 has a Numbercat that includes Pi as one of it's numbers.