Rainforest in a jar. I used brown modelling clay for the ground, stuck sticks in. Also printed out animals of the rainforest and used as stickers to show which animals lived in which layer.
Rainforest Activities and Printables - The Crafting Chicks
Alphabet Tot School - rainforest activities and ideas
This would be fun to have for a jungle/rainforest theme.
Rainforest Printables and
Continuing the Rainforest - Rainforest pattern snakes MATH/GEOMETRY
Rain Forest Books