teeter totter - Robuta Search

https://www.newswire.com/news/simplay3-presents-a-modern-variation-of-the-classic-teeter-totter-toy-20888594

https://teeter-totter.com/credits

Website by Vin E-commerce by Commerce7

https://www.fox5ny.com/news/pair-of-pals-set-off-to-break-50-year-old-teeter-totter-record-in-california

In case you're wondering, the only time they get off the teeter-totter is to go to the bathroom.