Contixo ST3 Mega Mechanic 3D Building Block Set - 223 PCS Quantity:1 Supports expandable storage up to

Supports expandable storage up to 128GB via MicroSD Card

Worried about running out of gas

each piece is safe

Dimensions: Compact and foldable for easy portability

Contixo ST3 Mega Mechanic 3D Building Block Set - 223 PCS Quantity:1 Supports expandable storage up toAbout this item ADVANCED SET OF 223 PCS TOTAL: Package includes 223 pieces, no pure plastic piece. Refill your existing pieces or even building other brand to expand model opinions. More pieces, more possibilities. SAFE PLAY STEM TOYS: Well made with toxin free materials and rounded edge design. The Contixo ST3 building blocks are safe for kids to play with and suitable for multiple age groups of different learning needs. Kids under 3 years need to be