Magic Vivarium includes an exciting range of aquariums and vivariums. The Magic Vivarium - Dinosaurs features an engaging experience where kids add water and the miniature dinosaurs grow up to 8 times their original size in 2-4 days. Each order includes a selection of vibrant tank colors, packaged with an attractive hang tag for easy retail display. Ideal for party favors, gifts, and educational activities, the Magic Vivarium is available in six styles: Creepy Creatures (4 different creatures), Sharks, Sea Turtles, Reef Fish, Penguins, and Dinosaurs. Features: - Growth up to 8 times original size - Engaging and educational - 6 styles available in the range - Attractive hang tag packaging