YOXO Tech Robox Eco-Friendly Construction Kit 100% wood pulp Made in US A fun and adventurous YOXO robot construction kit. Build Tech robot and then deconstruct and invent something completely new! Open-ended construction toy includes 32 YOXO mini links, step-by-step instructions, cut-out parts and a collectible trading card An award-winning building system that teaches STEM skills through fun hands-on play (STEM = Science, Technology, Engineering and Math) Links are compatible with other toy building sets including LEGO Made in the USA from durable, eco-friendly, recycled & recyclable* wood fiber