Vevor Magnetic Blocks 150-Piece Glacier Castle Set STEM Montessori Sensory Toy New refurbished-items The expansion screw material has

The expansion screw material has been upgraded to 304 stainless steel for enhanced durability

Made from all-weather TPE material

The corrosion-resistant alloy steel construction is built for durability

LCD display tracks speed

Suitable for various industrial scenarios

Vevor Magnetic Blocks 150-Piece Glacier Castle Set STEM Montessori Sensory Toy New refurbished-items The expansion screw material hasThe Vevor magnetic blocks Glacier Castle set includes 150 dual sided pieces that let kids create flat mosaics, 3D builds, and imaginative themed designs. Strong neodymium magnets and ultrasonic welding help structures stay together during play. Reinforced plastic construction with smooth edges is designed for safe hands on use by children ages 3 and up. This set supports creativity, spatial reasoning, logical thinking, hand eye coordination, and