Learning Resources Sensory Tubes

Develop The Senses And Encourage Scientific Exploration With This Set Of 4 Sturdy, Clear Tubes. Tubes Feature Double Openings And 2 Solid Tops For Each. The Lids Twist On And Off Easily, And The Solid Lids Keep Liquid Securely Inside. Tubes Measure 12 Inches Tall X 21/2 Inches In Diameter.