A custom Gyrocopter shape.
Office Space 1.0 
It is imperative that you grab Time Travels to beat the qualifying time.
Custom skins for the gems, including one for Platinum gem in MBP.
Don't fall through the ropes on this dangerous bridge!
A small bowl shape
Control and apply your marble's spin to get the most out of your angular momentum.
Luke's Marbles 1.00 6 marble skin textures to download. They are really crappy. Not recommended to download, but it's here for posterity.
My first level
Over 20 marble skins for download, a number of them resemble those of Marble Blast Ultra, and some unique skins.
Don't get dizzy while trying to collect all 12 gems!
Hunt for the gems in this somehow elevated arena. Use the Speed Boosters to your advantage.
iMac's unique marble skins, which are always seen on his videos and everyone always wanted them.
Ian's Marbles 1.00 20 Marble skins from Ian (from MBP staff).
Lots of objects in here, go wild.
My first level I have put on the Marble Blast website. I was just experimenting with Constructor, so it's pretty bad. "Why not 001?" you ask. "Because 001 is even worse," I answer. I don't feel comfortable uploading 001 because it's so appallingly pathetic. I made 002 pink for Regislian, because he asked me to.