PLASTIC PETRI DISH SET OF 3 W/AGARDiscover the fun of microbiology with plastic Petri Dishes and Nutrient Agar. Nutrient Agar is used as a culture medium to cultivate various household bacteria. Detailed agar preparation instructions included. Three 90mm Petri dishes and one back of Nutrient Agar are packaged together. These Petri dishes are made of polystyrene and are sterilized. Ages 7+.

Canada or Puerto Rico

Each ten-problem reproducible can be used as a learning or testing tool

nervous or skeletal systems

and orbit in 3 dimensions with this durable

5 screw caps

Use with dry erase markers

Start building a foundation for academic success with the Learning Mats: Alphabet kit

The 36 weeks of activities provide practice of grade-level math concepts such as addition

Observation is a fascinating game that tests observation skills and the ability to think quickly

3-key memory

and use common sight words with correct spelling and word formation

or even at home for test preparation or practice and review