LEGO Monster Build

Come build with LEGOLAND® California at Kidspace and unleash your inner monster. Something delightfully ghoulish is taking shape at Kidspace! Gather your favorite LEGO® builders and step into a Halloween world where imagination can run wild. Kidspace Museum is teaming up with LEGOLAND® California for two monstrous days of Halloween building, creativity, and imagination. Get inspired by the actual LEGOLAND® Brick-or-Treat Street model. Then, the real fun begins! Roll up your sleeves and build with your own monsters, goblins, and fantastical creatures —and even dream up the worlds they call home. Included with admission, and free for members.   Get Tickets   Plus, families who attend will be entered for a chance to win tickets for four to Halloween Season at LEGOLAND® California!   About LEGOLAND® Brick-or-Treat Street New in 2026, LEGOLAND® California’s Brick-or-Treat Street brings Halloween to life brick by brick! This immersive, interactive trick-or-treat experience invites families to explore six life-sized LEGO® Monster homes inspired by favorite LEGO Minifigures, with playful surprises, silly scares, and Halloween fun waiting behind every door. Guests can wander through a glowing Halloween light trail, discover hands-on surprises, and collect LEGO bricks along the way. Brick-or-Treat Street is part of LEGOLAND California’s family-friendly Brick-or-Treat celebration, where Halloween is built for fun!