PicassoTiles 150 Piece Large Construction Brick Building Blocks STEM Bricks Toy Set comes with 5 different colors and 4 unique brick shapes to build your ultimate creation. You can always add more pieces to create anything you desire! These bricks fit tightly with other regular building block sets to make combining brick kits fun and easy! Add more bricks to your collection to build the ultimate brick creations! All Picassotiles products have your kid's safety in mind to have a safe and fun play time. All bricks have smooth edges that are safe for you kid's hands. PACKAGE DIMENSIONS: 9.8 x 7.87 x 6.77 inches WEIGHT: 2.59 pounds