Current Trade-In Status - 12/5/2024: We have made some progress, but spaces for drop-off are filling quickly.
Please call the store BEFORE bringing boxes or bags. If we are low on space, we may ask you to wait.
Bear in mind, that the last 2 weeks  of December, we pause on taking in more material for end-of-year inventory.

Experiments

Experiments

  • I Can Be an Awesome Inventor: Fun Stem Activities for Kids front cover by Anna Claybourne, ISBN: 0486839249

    I Can Be an Awesome Inventor: Fun Stem Activities for Kids [455220]

    Retail Price $9.99
    Firefly Price $4.50
    This item is Used and is listed as being in Very Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $9.99
    Firefly Price $4.50
  • Science With Water (Science Activities) front cover by Helen Edom, ISBN: 0794514847

    Science With Water (Science Activities) [445913]

    Retail Price $5.99
    Firefly Price $2.99
    This item is Used and is listed as being in Very Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $5.99
    Firefly Price $2.99
  • Science Fair Book (Star Wars) front cover by Samantha Margles, ISBN: 0545520991

    Science Fair Book (Star Wars) [443824]

    Retail Price $9.99
    Firefly Price $4.99
    This item is Used and is listed as being in Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $9.99
    Firefly Price $4.99
  • The Wizard's Workshop: A Science Activity Book front cover by Jennifer K. Clark, ISBN: 1462121675

    The Wizard's Workshop: A Science Activity Book [437704]

    Retail Price $13.99
    Firefly Price $6.99
    This item is Used and is listed as being in Very Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $13.99
    Firefly Price $6.99
  • Robotics (Build It Yourself) front cover by Kathy Ceceri, ISBN: 1936749750

    Robotics (Build It Yourself) [436302]

    Retail Price $15.95
    Firefly Price $7.99
    This item is Used and is listed as being in Very Good condition. Light wear to cover, slightly bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art...
    Retail Price $15.95
    Firefly Price $7.99
  • Awesome Science Experiments for Kids: 100+ Fun STEM / STEAM Projects and Why They Work front cover by Crystal Chatterton, ISBN: 1939754666

    Awesome Science Experiments for Kids: 100+ Fun STEM / STEAM Projects and Why They Work [385279]

    Retail Price $14.99
    Firefly Price $7.50
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Retail Price $14.99
    Firefly Price $7.50
  • How Science Works front cover by Nigel Hawkes, ISBN: 0761322787

    How Science Works [381487]

    Retail Price $14.95
    Firefly Price $7.50
    This item is Used and is listed as being in Very Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $14.95
    Firefly Price $7.50
  • Mythbusters: Don't Try This at Home front cover by Mary Packard, ISBN: 0787983691

    Mythbusters: Don't Try This at Home [381287]

    Retail Price $14.95
    Firefly Price $6.99
    This item is Used and is listed as being in Good condition. Wear to cover, bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of...
    Retail Price $14.95
    Firefly Price $6.99
  • 175 More Science Experiments to Amuse and Amaze Your Friends front cover by Terry Cash,Steve Parker,Barbara Taylor, ISBN: 0679803904

    175 More Science Experiments to Amuse and Amaze Your Friends [380875]

    Retail Price $14.99
    Firefly Price $7.50
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Retail Price $14.99
    Firefly Price $7.50
  • 50 Science Things to Make & Do front cover by Georgina Andrews,Kate Knighton, ISBN: 079452379X

    50 Science Things to Make & Do [373154]

    Retail Price $9.99
    Firefly Price $4.99
    This item is Used and is listed as being in Very Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $9.99
    Firefly Price $4.99
  • Science Ideas in 30 Seconds front cover by Mike Goldsmith, ISBN: 1435153324

    Science Ideas in 30 Seconds [369658]

    Retail Price $12.95
    Firefly Price $6.50
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Retail Price $12.95
    Firefly Price $6.50
  • Young Discoverers Encyclopedia of Facts and Experiments front cover by Kingfisher, ISBN: 0753451379

    Young Discoverers Encyclopedia of Facts and Experiments [369542]

    Retail Price $24.95
    Firefly Price $9.99
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Retail Price $24.95
    Firefly Price $9.99
  • Ancient Science: 40 Time-Traveling, World-Exploring, History-Making Activities for Kids front cover by Jim Wiese, ISBN: 0471215953

    Ancient Science: 40 Time-Traveling, World-Exploring, History-Making Activities for Kids [356419]

    Retail Price $16.00
    Firefly Price $3.99
    This item is Used and is listed as being in Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...
    Retail Price $16.00
    Firefly Price $3.99
  • Mythbusters: Confirm or Bust! Science Fair Book #2 (MythBusters Science Fair Book) front cover by Samantha Margles, ISBN: 0545433975

    Mythbusters: Confirm or Bust! Science Fair Book #2 (MythBusters Science Fair Book) [347299]

    Retail Price $9.99
    Firefly Price $4.99
    This item is Used and is listed as being in Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...
    Retail Price $9.99
    Firefly Price $4.99
  • Columbus' Egg: Tricks, Games, Experiments front cover by Edi Lanners, ISBN: 0448134888

    Columbus' Egg: Tricks, Games, Experiments [343621]

    Firefly Price $3.99
    This item is Used and is listed as being in Good condition. Front and back covers have wear to edges and corners. Spine intact, some wear. Binding is intact. Pages are generally clean with minor edge or corner wear. Clearly a pre-owned and used copy...
    Firefly Price $3.99
  • The Book of Totally Irresponsible Science: 64 Daring Experiments for Young Scientists front cover by Sean Connolly, ISBN: 076115020X

    The Book of Totally Irresponsible Science: 64 Daring Experiments for Young Scientists [341642]

    Retail Price $12.95
    Firefly Price $6.50
    This item is Used and is listed as being in Very Good condition. Front and back covers have light wear to edges and corners. Spine intact, some wear. Binding is intact. Pages are generally clean with minor edge or corner wear. Clearly a pre-owned and...
    Retail Price $12.95
    Firefly Price $6.50
  • Science Around the House: Simple Projects Using Household Recyclables (Dover Children's Science Books) front cover by Roz Fulcher, ISBN: 0486476456

    Science Around the House: Simple Projects Using Household Recyclables (Dover Children's Science Books) [339294]

    Retail Price $6.99
    Firefly Price $3.50
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Retail Price $6.99
    Firefly Price $3.50
  • Backyard Science Experiments front cover by Q.L. Pearce, ISBN: 0737398639

    Backyard Science Experiments [334374]

    Firefly Price $2.99
    This item is Used and is listed as being in Very Good condition. Front and back covers have very slight edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as...
    Firefly Price $2.99