Block Shop

Block Shops are Mostly around PR3.Play​ers use it to get blocks from other players by selling Blocks.ALTMADNESS 09:20, March 31, 2011 (UTC)SONICMARIO888 A block shop is a custom level designed to showcase custom blocks you or someone else have made. Players choose a block they want and the owner can send it to them.

Here's a example: Mario asks Red to buy a Pokemon Block, Red tells Mario to send him 2 blocks, Mario sends Goomba Block and Coin Block to Red, Red sends a Pokemon Block to Mario! That's It!