Life Science Big Book Set
ECERS-3: Nature/science 5.1 - At least 15 nature/science materials, some from each of the 5 listed categories, are accessible in a clearly defined nature science interest center, for at least 1 hour during the observation.
ECERS-3: Nature/science 3.1 - At least 5 developmentally appropriate nature/science materials from at least 2 categories are accessible for at least 25 minutes during the observation.
- Grades K-3
- 13 1/8” x 18"