SENSORY EXPLORATION: Encourages children to use their senses while learning about the world around them. HANDS-ON SCIENCE: Tubes open at both ends and can be filled with liquids, solids, or small objects for investigation. VENTED LIDS: Allows children to explore smells safely or observe small creatures. CLEAR TUBES: Freestanding design provides a visual view of contents for easy observation. COMPLETE SET: Includes 4 clear tubes, 8 solid lids, and 4 vented lids for multiple activities. LEARNING IS WHERE WE PLAY: Learning Resources has over 40 years’ experience in making quality educational toys that help children learn through play. Our company is also the home of hand2mind and Educational Insights toys and teaching resources Encourages early scientific exploration. Features openings at top and bottom of tubes. Vented lids let children explore their sense of smell. Includes four clear, free standing tubes for sensory investigations. Includes eight solid lids and four vented lids., Manufacturer: Learning Resources Ltd