The PicassoTiles 350 piece Mega Magnetic Toy set promotes and trains problem solving and motor skills via play. This stacking, building block kit features quick connect, magnetized tiles that allow children ages 3+ to easily construct their masterpieces. It includes an assortment of 83 triangle shapes, 35 Squares, 24 Clear Tile Frames, 12 Window Clip-in Pieces, 24 Door Clip-in Pieces, 26 Brick Tiles, 44 Letter Shape Tiles, 20 Half Square Pieces, 24 Window Squares, 4 Mirror Squares, 12 Quarter Rounds, 5 Dry-Erase Squares and 5 markers, 7 Sticker Sheets, 12 Character Figures with 8 Accessories, 4 cars, and an Ideabook PicassoTiles Mega Magnetic Building Block 350 Piece Set Magnet Tile Construction Blocks with Car Base, Character Figures, Markers, Whiteboard, 110+ Page Ideabook Included for Ages 3 Up STEM Learning | Picassotiles | | Magnetic Tiles for Kids, 350PCS STEM Construction Building Blocks Set, Educational Toy, Creative Learning Gift | Best Buy