burgkidz 150PCS Jumbo Building Blocks with Clear Storage Box Baseplate Lid STEM Educational Toys for Toddlers 3 Years Compatible with Major Building Systems

150Piece Jumbo Blocks with 2in1 Storage Solution Includes 150 extralarge building bricks 8 colors8 shapes in a crystalclear storage bin that converts to 12x16 building baseplate 50 more pieces than standard sets for endless creative possibilities ToddlerSafe Construction Features jumbo blocks 3x larger than standard building bricks meeting CPSC choking hazard requirements for ages 3 Made with BPAPhthalatefree materials certified by ASTM F963 CPSIA safety standards Universal Building System Compatibility Standard 2x4 brick dimensions work seamlessly with all major brands largeblock sets expand existing collections without size mismatch frustrations Early STEM Learning Made Fun Develops color recognition counting skills and spatial reasoning through handson play includes sorting guide for Montessoriinspired educational activities HolidayReady Gift Set Retailpacked in durable clear bin with secure snaplock lid perfect Christmas gift for 3 year olds birthday present or classroom reward toy