This Laser Pegs set includes four different models of interlocking plastic blocks that can be assembled into unique helicopters. The set is recommended for children ages 5 and up, and comes with batteries included to light up the blocks. The brand is Laser Pegs and the model theme is Helicopters, with a packaging box and theme to match. The blocks are compatible with LEGO, making it easy to expand your collection and build even more creations. This is a great gift for both boys and girls, with no modifications needed. The set is in excellent condition and will provide hours of entertainment and imaginative play.