ALEX Toys Prism Bricks 27 Piece Building Set 27 transparent pieces in brilliant colors Prism Bricks are compatible with Duplo Build figures, vehicles, robots, dinosaurs and more Includes 1 base, 1 wheeled brick, 1 head brick, 10 square bricks, 4 rectangle bricks, 6 wedge bricks and 4 arch bricks Recommended for children 2 years of age and older