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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Sticker diameter: 13mm
In the early days
side by side
Plus Variations
The mathematics behind this term dates back to a famous mathematical problem in 1850 known as the Kirkman's schoolgirl problem where students were put into groups to organise students into different groups of 3 over 7 days to ensure that students got to interact with different friends each day
GraviTrax Bridges Size:Ages 8+ Sticker diameter: 13mmGraviTrax is the all new STEM track system from Ravensburger! Use your imagination to build superb tracks and set the Gravity Spheres rolling! Bridge track sections! Bypass large gaps with Bridges. Combine the Bridges with your GraviTrax Starter Set for even more variety by interlinking track sections for really spectacular results. How many unique track designs will you create? Contents: Instructions (D, F, I, EN, NL, E) 3 length adjustable bridges 2