Featuring parrots, rainforests, snakes, butterflies and reptiles, the detailed patterns will occupy many happy hours of colouring-in.
Who wouldn't love the famous Bat House, which launches crowds of tens of thousands nightly, or the Butterfly Rainforest, where your children can tour a four-story screened world of insects.
Trails cross lava fields from previous eruptions and take visitors through bird, butterfly and snake-filled rainforest.
An elegant new butterfly from the Amazon rainforest now goes by the name Euptychia attenboroughi, or "Attenborough's black-eyed satyr," after celebrated naturalist and broadcaster David Attenborough, Newsweek reports.
Every day is Earth Day, folks, as I was reminded by these butterflies in an Ecuadorian rainforest a few years back.
As well as the 4km of zip-wires that cut through the rainforest, the park also offers a netted butterfly garden, horseriding, abseiling and a Maleku village, "built by an indigenous tribe under the most authentic tradition".
It is reached via a short hike through a beautiful rainforest, inhabited by capuchin monkeys, sloths and the ubiquitous butterflies (Costa Rica is home to 10percentnt of the world's butterfly species and, incidentally, 150 species of edible fruit).
But anyone who has lived in the rainforest knows that visits by the most glorious butterflies is an everyday occurrence.
That's why Engler and her colleagues wanted to find out how the larvae of Heliconius sara, a brightly colored butterfly of South and Central American rainforests, could maintain a strict diet of passion vine leaves, even though the plant's hydrogen cyanide gas stifles other insects' respiration.
To illustrate his point, Annan evoked an image from chaos theory: "Scientists tell us that the world of nature is so small and interdependent that a butterfly flapping its wings in the Amazon rainforest can generate a violent storm on the other side of the earth.
