Who said holding your notes had to be boring? These 10 colorful magnets are LEGO brick compatible on one side with your entire collection! Build on them and create fun and crazy LEGO sculptures that stick to your fridge, desk and other metal surfaces. Includes 10 colorful magnets! Each magnet measures 1.25" by 1.25" (3cm x 3cm)! Magnets are not stackable with each other.