But pointing out that lightweight cardboard tubes can be tricky to ship without getting crushed, [Concrete Dog] has come up with HEXA, a clever model rocket kit that uses pre-scored cardstock instead.

Among those many plastic "bricks" are some creative new uses for older Lego sets' custom ... Lego's prior model of the SLS; designed for a younger builders, the 2022 Lego City Rocket Launch ...