Thames & Kosmos Gecko Run Starter Set MASTER-Book > Activity Books Watch this Aqua Robot swim

Watch this Aqua Robot swim along when sunlight shines on its solar cells

No remover needed

Mix and match our TOG-rated Rompers

in addition to controlled materials

Thames & Kosmos Gecko Run Starter Set MASTER-Book > Activity Books Watch this Aqua Robot swimGecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marble run uses a specially designed system of flexible tracks that does not require any support structures. Traditional marble runs require lots of pieces to create vertical height, but with Gecko Run, your doors, windows, cupboards, bookcases virtually any smooth surface become part of your track, allowing