Slime Kits

• First Across the Continent, by Noah Brooks
• Beowulf, by Anonymous
• 'Orations', by John Quincy Adams
• Ballads of a Bohemian, by Robert W. Service
• The Project Gutenberg eBook of A Horse's Tale, by Mark Twain

Sorting Toys

• The Bickerstaff
• The Project Gutenberg eBook of Ethics — Part 3, by Benedictus de Spinoza
• The Project Gutenberg E
• A House of Pomegranates, by Oscar Wilde
• Old Christmas, by Washington Irving

Club STEM Kits

• The Project Gutenberg eBook of King Henry VI, Part 3, by William Shakespeare
• The Lazy Tour of Two Idle Apprentices, by Charles Dickens
• The Dominion of the Air, by J. M. Bacon
• The Project Gutenberg eBook of Rose O’ The River, by Kate Douglas Wiggin.
• The Project Gutenberg eBook of Romeo and Juliet, by William Shakespeare