Create
Fill a narrow jar with water, dye it, insert a straw. Seal top—liquid rises or falls with heat. Weather science at home!
2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraft™, Mojang, Microsoft, Roblox™ or YouTube. LEGO® is a trademark of the LEGO® Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.