Large Boulder Blocks (18Pk) offers a thoughtfully designed, durable resource for hands-on learning. A tactile and versatile addition to small world or construction play. Perfect for dinosaurs to climb over or for frolicking fairies, these ergonomic blocks offer an extra challenge when it comes to stacking, balancing and small world-building. _x000D_ _x000D_ _x000D_ From 5cm to 30cm. _x000D_ _x000D_ _x000D_ Size may vary. _x000D_ _x000D_ _x000D_ Pack of 18. _x000D_ _x000D_.