Macmillan TinkerActive Classroom Sweepstakes

https://read.macmillan.com/promo/mcphtinkeractiveclassrmsweeps20/
PRIZE: One Grand Prize(s) will be offered. The Grand Prize consists of up to 30 TinkerActive Workbooks, depending on class size of winner. The winner will have the opportunity to select the Grand Prize from among options (grade level and subject) designated by Sponsor, subject to availability. The approximate retail value (“ARV”) of the Grand Prize is up to $389.70 USD.