Home Science Museum Steam Engine Experiment & Rokr Twerkbot 9000 Dancing Robot Bundle. Both items are in new condition in the original unopened packaging - opened only to take pictures of contents. Home Science Museum "Exploring Kid" Steam Engine Experiment (Educational Toy or Gift) & Rokr Twerkbot 9000 Dancing Wooden Motorized Robot Laser Cut 212 Pieces by Robotime Technology. Quick 1 business day shipping.