Ditch the chocolate! Unique advent calendar that builds 24 different electronic games. Components behind each window build a new circuit every day. Easy-to-follow, full colour instruction booklet included. * Build a new electronic game every day! *Open each door to reveal a different electronic component * 24 games including Simon Says, Wire Maze and Code Breaker * Full colour day-by-day instruction booklet * Requires 3 x AA batteries (not included)