4M KidzLabs: Spy Science/Alarm This fun Spy Science alarm package can be assembled by your child. This 4M Kidzlabs Spy Science alarm package contains a plastic platform, plastic parts and metal pins, an electric buzzer, electrical wiring and of course detailed instructions. The dimensions of the box are 17 by 22 by 6 cm. Suitable for children aged 8 years and older. Requires 2 AA batteries (not included). The dimensions of the box are: 17 x 22 x 6 cm Suitable for children aged 8 years and older. This package contains 1 plastic platform, plastic parts and metal pins, electric buzzer, electrical wiring and extensive instructions.