Klutz: LEGO Gravity Drop Physics Activity Kit (Ages 8+)

Build a gravity-powered tower and test how falling wooden balls move through ramps, spinners, a funnel, and LEGO mechanisms. Reconfigure the path to explore motion, energy transfer, and chain reactions.

• Subject: Physics, engineering, and cause and effect
• Age level: 8+
• Format: Klutz activity kit with chipboard tower, six wooden balls, LEGO Technic elements, and up to 159 LEGO elements
• Publisher/brand: Klutz
• Build: Tower approximately 18 in. (45 cm) tall; more than 20 LEGO contraptions and five extra projects are described in the source listing

Try a design, watch where the balls land, then adjust one component and test again.