Each set of the animal model shows how these adorable creatures transform from tiny eggs into adult ones. Highly detailed and scientifically accurate, provides a funny way for your kids to learn about the life stages of these unique and important animals/ insects. Great kids toys, these figurines can be admired, displayed, touched, and played with. Also can be used as teaching aids for science nature lessons. Made of Non-toxic and BPA free material. Size Chart: Earthworm: approx. Egg: 3.2x2.5x1.3cm/1.26x0.98x0.51inch, Hatch: 4.6x3.3x1.5cm/1.81x1.30x0.59inch, Kid: 7.4x3.1x0.5cm/2.91x1.22x0.19inch Adult: 7.8x4.9x1.3cm/3.07x1.93x0.51inch Duck: approx. Egg: 5x4.7x1.6cm/1.97x1.85x0.63inch, Hatch: 9x1.8x1.5cm/3.54x0.71x0.59inch, Kid: 3.6x1.8x3.2cm/1.42x0.71x1.26inch Adult: 6x3x6cm/2.36x1.18x2.36inch Locust: approx. Egg: 6x2.1x1.6cm/2.36x0.83x0.63inch Weak: 6.1x3.5x1.6cm/2.40x1.37x0.63inch, Kid: 7.5x3.8x1.6cm/2.95x1.50x0.63inch Adult: 8.5x5.5x2.5cm/3.35x2.17x0.98inch Package Includes: 1 Set Life Cycle Animal Model Toys Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.