Matthew Miller: "Worth it just for the white slip-clutch gear."
Kieran Brady: "Useful assortment of gears & parts."
Jeff Small: "Definitely a great buy if you get it on sale or clearance"
Gustavo A. Brinck: "005(1) 007(1) en uso"
Ronald Vallenduuk: "Pretty expensive clutch-gear, but some nice extra bits, like the motor..."
Thomas Fulk, Jr.: "The box design recently changed."
L. Wayne Precht: "A great buy on clearance or eBay for $15"
Stelios Kalogreades: "A good set to have around. Make things move!"
Robert Falconer: "I enjoyed hooking this up with the Sonic Cycle to make a motorized chopper"
Tyler Rudkin: "A must have."
Simeon Fitch: "Needs more gears"
Dean Maher: "Always need more electrics, Nice to of had some conductive plates."
Roy Nelson: "I love Lego motors!"
Nathan Wells: "MUCH better than 8720!! I really like the new motor!"
Stéphane Simard: "Great slip-clutch gear, cool parts, powerful motor. Must have!"
Stefan Gustavson: "A much, much better motor than the 4.5V and older 9V ones."
Dirk deRoos: "If you want a motor, this is your set."