The Great Treehouse Engineering Adventure Toysmith Hot Wheels Energy Track Set:

Hot Wheels Energy Track Set: With this set

Retro play - authentic 80's graphics

Collaborate with your fellow junior engineers to build fantastic and functional remote-control creations

NiMH batteries are not supported

when she moved into the neighborhood and met some of the Street's residents

The Great Treehouse Engineering Adventure Toysmith Hot Wheels Energy Track Set:In this story based STEM kit, Pepper Mint visits her aunt who is a scientist researching primates. She lives in a treehouse in the rainforest on the island of Borneo. The treehouse is not connected to the electrical power grid, but Pepper Mint and her aunt devise mechanical inventions to accomplish various tasks. They equip the treehouse with mechanical equipment using pulleys, winches, and gears, and learn lessons in physics. Projects include a rope