These AA battery holders with wires and switch can house 2 AA batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up, as well as a simple on/off switch, allowing you to exert greater control over your project and battery use. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
Find the hidden crystals when you open your own geodes from this fun set.
See the solar system in action!
Working model representing the sun, earth, and moon and their relationships.
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
This classic desk toy will keep you amused! Large, 7 inch tall version.
This hanging Galileo thermometer is a gorgeous way to display the temperature outdoors!