The writers of the Timeless sci-fi TV show said that the mothership and lifeboat designs were based on Wall-e and Eva. Here’s really cute mothership and lifeboat time machines :)
Where to buy online
You can find the design on t-shirts in most stores, but also on other products depending on the store (e.g. hoodies, mugs, stickers, notebooks, phone cases, greeting cards, cushions, socks etc).