The 10 MODELS set is the first package of the engineering series that inlcudes the engino 3V geared motor! With the motor, children can power up their models and see them come to life! The 10 MODELS pack has an original 2-level box design and contains printed instructions for all models, 2 of them being motorised, a helicopter and a fan. Other models include a racebike, a dragster, a sail-boat, a robot and many more (one at a time) ! The package is suitable for 6-14+ year old builders.