Students will get hours of enjoyment building different pipe systems on your modular STEAM wall and learn valuable skills while playing. This hand pump set is perfect for teaching simple engineering while improving critical thinking skills. This set is sure to be a hit with your students and offers a great opportunity to teach cause and effect and reasoning skills. Pump air through the tubes and learn about cause and effect in a fun and engaging way. See what small items in your room the air is strong enough to move or pair with our pipe builder set to create endless configurations for hours of creative enjoyment. To clean, wipe with a damp cloth.