8 months & up. An appropriately sized, soft climber encourages infants and toddlers to practice their budding balance and coordination skills in a safe, exploratory environment. The nature-inspired pieces in the Timber Tots Log Climber set encourage crawling, climbing, and gross motor development for young learners. The soft-sided tunnel and half-tunnel shapes allow for stacking and rolling as well, enhancing possibilities for continued exploration. Measures 26" x 24".