nasa 2020 mars rover perseverance building kit, space exploration program building block sets, creative mars science building bricks toy model gift for kids and adults(672 pieces) vonado 672pcs building blocks perseverance mars rover & ingenuity helicopter model specification: product name: creative perseverance mars rover & ingenuity helicopter model kits, building blocks for gifts, compatible for lego and major brands (672pieces) item no.:c4881 product particles: 672pcs recommend ages:6-99 years product size: 34.6*20.5*16.8cm/13.62x8.07x6.61inch material:plastic weight: 0.64kg=1.41lb category:moc world