Pay in 4 interest-free payments of $6.25 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Investigate carbon dioxide
Spanish & German
The dinosaur grew to around 15 tons and 22 m
he gives the young animal fresh food and examines it regularly
discover the life of David Bowie
Gravity Bugs Travel Friendly Investigate carbon dioxideGoing up! Build a mighty robotic bug that defies gravity to crawl up, down, and all around windows with ease! This motorized, multi legged machine uses an ingenious system of suction cups to walk on smooth vertical surfaces like windows and glossy panels. Assemble the robot to learn about its inner mechanisms, including gears and an electric circuit complete with motor, battery, and switch. Then experiment to see which types of surfaces your Gravity
US$ 64.99
US$ 18.00
US$ 42.00
US$ 13.99
US$ 450.00
US$ 29.95
US$ 26.95
US$ 35.00
