Roller Coaster Engineering Watercraft and Aircraft you can explore large bodies

you can explore large bodies of water

rechargeable NiMH battery pack and charger

With iD Auto-Battery Identification there’s no need to worry about the battery chemistry or capacity

Help Princess Leia and R2-D2 escape from Jabba’s Sail Barge™

Roller Coaster Engineering Watercraft and Aircraft you can explore large bodiesWARNING: choking hazard small parts. Not for children under 3 yrs. Design and build your own working roller coaster models Conduct fun, hands on physics experiments to learn about force, motion, energy, and more. Complete challenges that require you to build roller coasters of all shapes and sizes. The plastic building system is durable, easy to assemble, and reusable. The 32 page, full color manual guides building and experimentation with step by