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, series 13 and 14 minifigures, 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-Wed 12:00 PM - 6:00 PM
Thu-Sun 10:00 AM - 6:00 PM
Closed Mondays, except for select school holidays
We reserve the right to change store hours without prior notice.
CLOSED: Jan 1, May 17, May 26, July 4, Sept. 1, Nov. 27, Dec 25

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 $275 for up to 8 children; $14 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. There is a $10 fee if they cancel more than 3 weeks prior to the party, $50 fee if canceling 1-3 weeks prior, and Play-Well retains the full reservation fee is if less than a week's cancellation notice is given.

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 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.