Yellowstone National Park Grand Prismatic Spring Mini Block Set

Build your own national park experience with our mini block sets! This set creates a miniature replica of the Grand Prismatic Spring, as seen at Yellowstone National Park. The water temperature of the spring is near boiling but thankfully, these blocks won’t burn! The blocks come in a box featuring educational information about the park.

• 827 pieces
• Contains small parts; appropriate for ages 12 and up
• Assembled size: 17 9/16" x 12 5/8" x 7/16"