What are some alternatives?
When comparing Google ARCore and Nintendo Labo, you can also consider the following products
Apple ARKit - A framework to create Augmented Reality experiences for iOS
Circuito.io - Instant code and wiring for your project
Snap Art - Snap's augmented reality platform
PiPer - A DIY Minecraft computer to build gadgets
Made With ARKit - Hand-picked curation of the coolest stuff made with ARKit
Paper Signals by Google - Build-it-yourself objects that you control with your voice.