(Update 6/1 3:30pm): Apple has now officially selected Robot Factory as the new Free App of the Week.

Robot wizards. Robot lizards. Robot dancers. Robot doctors. Robot moonwalkers.” All this and more is now completely free with The Robot Factory by Tinybop for iOS. Regularly up to $4, this is the very first time we have seen it go free on the App Store. It also comes with a sweet little iMessages sticker pack and is compatible with Apple TV.

iOS Universal/Apple TV: The Robot Factory by Tinybop: FREE (Reg. $4)

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The Robot Factory Features:

Create robots. Test robots. Collect robots. Build with exoskeletons, zephyr mechanisms, hydrostatic tentacles, machinos locomotors, G-Force mixers, and more! Make any robot you can imagine! Robot cats. Robot samurais. Robot spies. The Robot Factory is the first app in Tinybop’s Digital Toys, a series of open-ended building apps that let kids ages 6+ create, test, play with, and collect whatever they can imagine. The second is The Everything Machine, an App Store Editors’ Choice and Children’s Technology Review Editor’s Choice.