The Root Viewer is a fun and educational experience for kids. It allows them to observe the vegetables grow right before their eyes, and to see beneath the ground, into the hidden world of each plant's roots. The kit includes carrot, onion, and radish seeds, a wooden tube holder, and three plastic root viewers. It has easy to follow growing instructions and also an educational activity journal. For ages 8 and up. The box for this item is 21cm wide x 10cm tall x 17cm long.