Winter Workshop Guidelines

Verification of Membership

Membership status will be verified for all class registrations. We will contact you for the additional fee if you register at the member rate and are not a member. If you are interested in becoming a Children's Museum of Sonoma County member, click here or call 707.546.4069.

Age of Campers

All registrants must be between 5 years and 8 years of age to attend CMOSC workshops.  We make no exceptions to this policy.

CMOSC Workshops are specifically designed to suit the social-emotional development and cognitive needs of children ages 5 - 8 years old. We tailor instruction and guide group dynamics for this specific age group to provide the best experience possible.

E-mail Confirmation

Workshop billing statements, confirmations and important information will be sent via e-mail. If you do not receive these e-mails, please call 707.546.4069 to confirm the correct e-mail address is on file.


In the event the workshop of your choice is full, please sign up for the waitlist online. If an opening becomes available, you will be contacted by e-mail from our registration system and will have 2 days to respond.


Payment of workshop fees are due in full upon registration. We only take credit card payment through our online registration system or over the phone. We will accept payment by check in-person or by mail.

Registration Policies

  • $5 administrative fee for any registration changes at any time
  • $10 cancellation fee: Camp fees are refundable or transferable, minus the cancellation fee of $10, if requested up to 7 days before the start of the session in which your child is enrolled
  • No refunds or credits will be given within 7 days of camp start date
  • The Children’s Museum of Sonoma County reserves the right to cancel camps not fully enrolled and will issue full refunds in such cases.

Behavior Issues

If a child's actions are disruptive and/or disrespectful to instructors or other children, staff will speak with parent or caregiver about the behavior. If a child's actions become a repeated issue, staff will ask that the child does not return to another workshop.  If a child's actions are more serious or threatening in nature (like threats to health or safety, or biting, hitting and scratching), staff will ask that the child does not return and may require immediate pick-up.

Dropping Off and Picking Up Campers

Drop off and pick up is at the at the Main entrance of the Museum, near Bubblemania. Staff will be there to meet you and your children. If you arrive late, please call the Museum. Authorized adults must sign-out children. Please bring a photo ID when you or your child’s caregiver comes for pick up.

Emergency Care Fee

An additional $1 per minute care fee applies for all children remaining more than five minutes past their registered pick-up time.  If you are going to be late, please call the Museum to alert staff.

Medical Forms

All of the necessary medical information will be supplied by the parent/guardian to the Museum at the time of your registration. You must inform us of any special medical concerns ahead of time. Please contact the Director of Programs, Lauren Peters, prior to the first day of your workshop. Parents of children who require an Epi-pen must supply a form signed by their child’s doctor prior to the workshop or we will not be able to allow the Epi-pen in our care.


We provide a simple nutritious snack during our Winter Workshop sessions. Please note that children with food allergies or sensitivities should bring their own snack.

What to Wear & Pack

Please send your child in old clothes that you do not mind getting dirty. While we use mostly washable products, stains can still occur. During our workshops children play all around the Museum and outdoors, and they can sometimes tear, damage or stain clothes. It is also advisable to send them in layers. Please send children in closed toe shoes. We have a packing checklist, here.

Toys & Electronics

Please leave electronics, stuffed animals, trading cards and other toys at home. Museum staff is not responsible for ensuring the safety or care of any such items & toys brought to camp often become lost or damaged.

Winter Workshop FAQs

Can't find the answer to your question? Try our Winter Workshops FAQs page, here.