Age recommendation: 3 months + The classic stacking tower reinvented without nasty plastics and safety hazard center poles! Our Tots & Kisses Eco Mini Tower significantly reduces the safety risks that come with a standard stacking tower — 100% food-grade silicone that is free from BPA and other chemicals commonly found in plastics Unique lego mechanism allows stacking without a separate pole which poses choking and aspiration hazards to young children Purposive rainbow colorway to aid in primary and secondary color recognition Highly durable, perfect for teething babies or the most enthusiastic toddler Our Montessori-approved stacking tower encourages open-ended play, improves motor skills, and helps your little ones unlock the earliest concepts of math like shapes, sizes, and sorting. What to Love Well-loved Montessori toy from 3 months up, food-grade silicone stacking blocks Product Dimensions Each tower consists of 6 round blocks. Product dimensions: 8.5 cm diameter x 13.5 cm height. Care Guide Wash thoroughly before first-time use using gentle soap and warm water. Wipe or air dry before storing away. Multiple ways to clean including steam or UV sterilizer without damaging its surface. Max temperature tolerance is 100°C.