Top Selling Educational Build Your Own Room Alarm Lab – Rainy Day Activity – Circuit Board Science Set Ideal Present Gift for Christmas Xmas Stocking Filler Birthday Easter or Treat Reward or Pocket Money Idea Toys & Games Age 8+ Children Kids Boys Girls

Top Selling Educational Build Your Own Room Alarm Lab – Rainy Day Activity – Circuit Board Science Set Ideal Present Gift for Christmas Xmas Stocking Filler Birthday Easter or Treat Reward or Pocket Money Idea Toys & Games Age 8+ Children Kids Boys Girls

Product Features Discover how a real burglar alarm works by building a working alarm. Trespassers are caught “in the act!” Door knob sign included. Alarm: 3½”W x 3½”H – 1-9V battery required. Not included. Suitable for ages 8+ Click Here...