Possibly the most comprehensive block set ever designed: Science-based system of 70 heirloom-quality pieces in 18 colors, more than a dozen shapes, and a vast array of solid wood components including arches, wheels, bead threader, rolling ramp, and shape sorter, and also converts into a pull car The original STEM learning: Unlock STEM concepts like math, physics, and engineering, along with higher-order planning and problem-solving; spatial awareness, motor-skill development, and hand-eye coordination Fun activities for every stage: Loved by kids all over, The Block Set by Lovevery is designed with 20+ fun and creative learning activities that range in complexity to meet every stage of your child's growth from 18 months to 4+ years, offering years of play in one box Packaged for easy storage and portability: Set stores neatly in its wooden box, or use the included cotton storage bag for play on the go A perfect gift, built to last: Crafted using FSC-certified, sustainably harvested wood and water-based finishes Lifetime Lost Parts Promise: Lovevery is a company by parents for parents. In case you ever lose anything (or just want to freshen up your set), we provide replacement parts for sale through Lovevery’s customer service team—down to that one piece you just can’t find.