2 years and up. Measure, cut, stir, and whisk your way to sequencing success with the Sensory Mud Kitchen Play Stones and Activity Cards! Durable for use in all environments, the tactile stones show an image of a cooking process on one side and a related word on the reverse. Ideal for introducing key vocabulary, the stones can easily be lined up to show the stages of a recipe, indicate an area for a specific task, or be used as a way to allocate roles. Made from a unique stone mix, each set contains ten process stones: bake, cook, crush, cut, measure, pour, roll, spread, stir, and whisk. The Mud Kitchen Activity Cards can be used to inspire children to get creative in the kitchen. Each card includes beautiful photographic images on one side with activity prompts, vocabulary, and extension ideas on the reverse. Made from durable plastic, any muddy splashes can be easily washed away. Stones measure between 1.5" - 2" each. Each double-sided card measures 8" x 11".