Hop on Ryder's amazing time scooter and discover gravity and other fabulous discoveries with Isaac Newton! Join 12-year-old Ryder and his curious sister Lucy on an exciting time-travel adventure filled with science, discovery, and imagination! When Ryder invents a glowing time-travel scooter, he is soon whisked away to meet the legendary Isaac Newton. Explore Newton's laws of motion, gravity, light prisms, and telescopes through thrilling encounters that blend history, science, and fun. Keep following Ryder and Lucy for more adventures in different times with the amazing people who made history tick!