Includes Mobile Power Block, 2 laser pegs, 37 tinted interlocking building pieces, batteries & instruction manual. 100% compatible with other major construction kits. Laser Pegs construction sets encourage forward-thinking multi-dimensional play Once connected to a power base, Laser Pegs light up a long lasting, colored LED - so your creation lights up as it's built! Because they are open ended they can even be used with other building toys such as Magformers, Magna Tiles, Tegu, Playmobile Laser Pegs are a classic building toy designed to be compatible with all major construction building blocks such as Lego, Knex, Mega Bloks, allowing kids to build anything from helicopters to robots, monster trucks to animals, or dinosaurs to spaceships! Recognized as an award-winning toy & honored with over 46 national awards, Laser Pegs are a perfect building toy for girls and boys! Great for birthday gifts, Christmas gifts, Chanukkah gifts, Easter gifts, STEM, summer camp activities, back to school Our goal is to spark imagination and empower creativity. Educational and fun, we have sets for everyone: Galactic, Archeology, Landmarks, Scientific, Construction, All Kinds of Vehicles, Race Cars, Planes, Trucks, Tractors, Bulldozers, Choppers, Dragsters Let the sky be your playground with this awesome 4 in 1 Aircraft kit from Laser Pegs! Break the sound barrier with the Light Jet, deliver valuable supplies with the Cargo Transport, or take in a view with the Light Glider. When you're done building, light up your creations for even more play time in the dark! Includes the MPS Power Base, 2 Laser Pegs and 37 Construction Bricks.