Thames & Kosmos – Roller Coaster Engineering Fashion
$49.98Thames & Kosmos – Roller Coaster Engineering Product details: Design and build your own working roller coaster models. Conduct hands-on physics experiments to learn about force, motion, and energy. Complete challenges that require you to build roller coasters of all shapes and sizes. Plastic building system is durable, easy-to-assemble, and reusable. Full-colour manual with step-by-step…