This base set includes

-70 Different Designs

-five 20mm round, five 28.5mm round , four 62mm round, three 75mm round, two 90mm round, one 125mm round, one 130mm round, one 160mm round, one 70mm x 105mm oval , one 92mm x 120mm oval, one 95mm x 150mm oval, one 109mm x 170mm oval, five 25mm hex, five 30mm hex, four 50mm hex, three 75mm vex, one 100mm hex, three 20mm x 75mm pill,three 40mm x 95mm pill, four 30mm square, three 75mm square, three 20mm x 40mm rectangle,two 50mm x 100mm rectangle, three 60mm x 100mm rectangle, one 75mm x 100mm rectangle, one 95mm x 150mm rectangle

-5 different versions of each base

-Base Toppers
-Flat versions
-Flat versions with supports
-Magnet holes for 5mm x 1mm magnets
-Magnet holes with supports