Play-Well Marin Activity Center


Join us for Drop-In play or sign up for a classs!

Our shelves are stocked with new inventory including EV3 Mindstorms, New Star Wars, and much more.

For more information please call us 415-460-5210 or email

What classes do you want to see at the center? Have suggestions for the center? We would love to hear it! E-mail about your suggestions, requests or general questions.

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You can find us at this location

Play-Well Marin Hours

Tu-Fri 12:00 PM - 6:00 PM
Sat-Sun 10:00 AM - 6:00 PM
Closed Mondays, except for select school holidays. (see dates below)
Open for Monday workshops on Oct 8, Nov 11, and Jan 7.
We reserve the right to change store hours without prior notice.
CLOSED: July 4, Nov 21-22, Dec 24-25, Dec 31, Jan 1, Jan 8

We offer structured and free form hands-on activities in engineering, physics, architecture, and art at our drop-in center. Children and adults can use hundreds of thousands of LEGO® elements to independently and cooperatively pursue their interests.

Drop in for an hour and work on a belt drive car. Stay for a couple of hours and work on that 'really big project'.

Guidance is provided by staff. Physical, mathematical, and aesthetic concepts are continually reinforced.

Drop-In Rates

  • $10/hr per child
  • Sibling Discounts available
  • Pre-School Discount: $8/hr


Play-Well Marin offers awesome birthday parties for builders turning age 5 and up! Play-Well parties are engaging, educational, and above all — FUN! Our trained instructor will guide your young party guests through an age-appropriate 1.5 hour building project for the best action-filled party around! Our Party Information FAQs page has more details about Play-Well birthday parties.

Parties at Play-Well Marin are $300 for up to 8 children; $15 per additional child. A $100 reservation fee is required to make a reservation, and will be applied to the balance the day of the party.

To schedule parties at Play-Well Marin, please call us at (415) 460-5210 or use our party information request form.


We sell building toys at Play-Well Marin. Our selection of LEGO® sets is one the most extensive in the country, including many hard-to-find items. We also have a fully-stocked LEGO® parts shop offering an extensive selection of parts.