This durable D Battery Holder is just the component for your next electronics project and a sure benefit for any mechanical guru. Use it for various science projects, classroom use, to make your own tools and more. Don’t let conventional ready made contraptions be a boundary. Break boundaries and explore innovation with the D size battery holder today!
Ever wonder how to survive in the wilderness? These cards can help!
Build your very own smart robot!
Build 14 assorted solar robots, some of which can travel over water!
Build a robot that's an artist too!
This science kit is an essential introduction to physics knowledge!
This high precision gyroscope will amaze you with rotational speed and ease of precision.