Grow your very own shark friend! Just submerge the egg in warm water and within 24-48 hours the eggshell will break and the shark will begin to hatch and grow. • I• Activity that lasts for days • Fun for all ages • Will shrink back down and regrow for multiple uses • Great favor for a shark themed party • PVC • Recommended for ages 4+ • egg: 2 1/2" H x 2" Dia • shark: 1" W x 3/4" D x 2" H grows to 3" W x 4" H • gift box: 3" W x 2" D x 4" H