Encourage learning through play with the Constructive Playthings Discovery Tube Toys. This toy set features 4 clear tubes filled with different toys to help your child develop visual and tactile acuity while also providing hours of entertainment and fun. The beads, plastic gemstones, smiley balls, and colored bumpy ball tube fillings move in unique ways when tipped or shaken to introduce the concepts of shape, color, motion, and more. With their versatile play and teaching options, these tubes are ideal for enhancing the playtime of younger kids and toddlers, and they can be used in both home and educational settings. The tubes are completely sealed and constructed from durable materials for hassle-free, long-lasting use. The individual tubes measure 16" x 2" and the set is recommended for children ages 12 months and up. Constructive Playthings is committed to providing safe, compliant products and a healthy, safe working environment worldwide. We require that all products meet all applicable federal regulations, which we review on a continuous basis.