Base Plates 5"x10" Variety Baseplates for Brick Block Building Compatible all Major Brands Blue and Green Baseboard (6-Pack) 3 Blue and 3 Green Color 6 packs of 5X10 inch baseplates with 16x32 pins Small holes on four corner for each baseplate,can use the screws on the table With these baseplates, your creations will stay together and be easy to carry and display Great for a group build or party. 100% ABS plastic building block toy baseplates. Safety includes European and American toy safety standard and GB standard. This product is not affiliated with or endorsed by LEGO but compatible for LEGO, TIGHT FIT with all major brands.