Childrens Factory CF321-300 Toddler Tumble Tunnel, Grade: Kindergarten to 4 Review Posted: September 12, 2018 Under: Baby and Toddler Toys By RockRedPanda no Comments The fun combination in the toddler tumble n’ roll will have you rolling in the aisles! perfect for testing spatial relationships and Learning to take turns. 4 inch soft sides cushion and protect little hands and knees. Covered in wipe clean vinyl.