Magna-Tiles combine magnets, science and fun! Thin geometric shapes feature magnets on the edges that always attract to other pieces, even when the pieces are flipped around. This allows using 2D pieces to create 3D objects. The small size is great for little hands. Magna-tiles are also helpful for teaching pattern and shape recognition; symmetry; fine motor skills; sorting & stacking; and even magnetic properties. Watch your children's abilities grow as their creations take shape with this building-themed set. Children can snap together roadways for the construction vehicles, and use the functional crane to lift bricks and transport them from one area to another. Pieces feature light printing of roads, bricks, and caution signs to increase play potential. 32 pieces in all: 16 small squares; 8 small rectangles; 1 spinner; 4 quarter circles; 1 wheeled chassis and 2 cranes. Compatible with other Magna-Tiles sets. For ages 3 and up.