4M - P3246 | KidzLabs: Intruder Alarm - Spy Science Kit Theme_Games These items are compatible with

These items are compatible with the BRIO Railway System

PORCUPINE PUPPET - 2378

The unique controller has easy to use reverse and stop functions as well as two different forward speeds and A&B frequencies to allow for multiple RC trains on the same BRIO train track

and movable mouth and arms

4M - P3246 | KidzLabs: Intruder Alarm - Spy Science Kit Theme_Games These items are compatible withLearn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It's cool and fun! Contains: plastic platform and alarm casing, 1 set of plastic accessories, metal pegs, electric buzzer, electric wire, string for alarm trigger, and detailed instructions.