1 x Eureka Crate - (age 14+) - make your own Bluetooth laser speaker
3 x Tinker Crates - (age 9-16) - camera obscura + buzzing circuits + geometric drawing machine.
More info at kiwico.com/eureka and kiwico.com/tinker
3 of the 4 (including the Bluetooth laser speaker) are unopened / complete - one of them was opened, but I believe all the bits are there.
Kiwi Crates - Science Build Kits for Kids / Teens (Lawns SN3)
This offer has been gifted to someone and is no longer available.