NAT GEO Elements of Science 100 Exp in Bio, Chem & Phys Misc. RC Parts This is the Caterpillar Track-Type

This is the Caterpillar Track-Type Tractor from Bruder

and track pieces Included track adaptors connect to other wood track systems

Build your Monster Dome

Featuring an offroader with space for 2 minifigures and an attachment point for a trailer which has a buildable rooftop antenna and a detailed interior

NAT GEO Elements of Science 100 Exp in Bio, Chem & Phys Misc. RC Parts This is the Caterpillar Track-TypeInvestigate the most important phenomena in biology, chemistry, and physics by conducting more than 100 fun experiments. A broad, yet elaborate introduction to the physical and life sciences, this kit is intended to expose children to the full spectrum of science and show firsthand how these three core disciplines interrelate. Ages 10 and up. The full color, 112 page book is organized into the following 15 chapters: 1. Water: adhesion, cohesion,