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get 10% off sitewide
2026-12-28
halloween sale! get 20% off on halloween science pack
first stem packs! get up to 20% off
free shipping on order over $75
get 20% off on order over $40
sale items! get up to 70% off
get 15% off on order over $30
clearance sale! get up to 70% off
get 10% off on your first order
steve’s bookazine! get 70% off
newtons beads! get 60% off
sign up and get 10% off on your first order
best seller! get up to 70% off
