When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Manfred von Mackensen, Manfred Mackensen. Illustrator Manfred von Mackensen. Author Manfred Mackensen. A valuable resource book for teaching physics for Waldorf teachers of Class 6. This approach underpins this valuable resource book for teachers of physics to 12-13 year olds.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.