Encourage creativity, imagination, and learning with PicassoTiles 50 piece Mermaid Themed Magnetic Tiles construction stacking block set (SKU: PTQ34). Featuring 15 triangles, 25 squares, and 9 hollow squares equipped with window and door clip-ons, allowing for a variety of possibilities for building unique structures. Additionally, it includes reusable undersea fantasy stickers, perfect for inspiring different storytelling adventures. Ideal for toddlers and kids aged 3 and up.