Building Toys

1/35 SR72 UAV Model DIY Assembly Building Blocks Set (1880PCS) for Adults .Background: The SR-72, colloquially referred to as Son of Blackbird, is an American UAV concept intended for intelligence, surveillance and reconnaissance (ISR) proposed privately in 2013 as a successor to the retired SR-71 Blackbird. In 2018,... 1/35 SR72 UAV Model DIY Assembly Building Blocks Set (1880PCS) for Adults