Toysmith Ginormous Grow Sharks;

This shark that starts off 6.5 inches (14 cm) will grow to over 16 inches in about 10 days. Teaches about water absorbing polymers, increases in mass, measuring and charting, and simply impressive science. Place the Ginormous Grow Shark in a tub or bucket of water and watch it grow over 1.50 feet long and 9" wide in 7 to 14 days! Imagine a 1.50 foot shark right in your own house! Take it out of the water and watch it shrink back to its original size, over time as it dries. Re-grow and re-shrink it again and again. Just what you need! The growing creatures have many teaching applications in science and math, including graphing, drawing conclusions, and measurement using linear, mass and volume. Colors may vary. Measures 6" long before it grows. Choking Hazard, Small parts. Not for children under 3 years.