Club Services

Club Services is our membership program that provides RS4K customers with additional resources and support.

FIND OUT MORE about Club Services.

Lifetime subscription $197.00 BUY NOW

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Testing

Gravitas offers several testing options. We have FREE midterm tests available or you can use our online testing through Club Services.

Try a SAMPLEonline test available through Club Services.

Resources

Finding materials for the experiments can be challenging for some families.

Get our FREEadditional resources and suggested materials.

Support

Not sure where to start? Read our support page to get started and see a suggested sequence.

Get a FREE lesson plan (currently available for Pre-Level I and Level I Chemistry with Kogs).