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Mastermind Toys Family Day - save 20% on regular price items & 10% on LEGO® Sets *exclusions apply

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Experiment Kits

Air Rocket - Mastermind Toys___232889
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WOW in the World Air Rocket

$39.99
$39.99

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Science4You - Crayon Lab - Mastermind Toys___248025
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Science4You - Crayon Lab

$34.99
$34.99

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Science4You Ultimate Science Lab - Mastermind Toys___246255
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Science4You Ultimate Science Lab

$29.99
$29.99

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S4Y Cup Cake - Mastermind Toys___248269
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Science4You Cup Cake

$34.99
$34.99

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Science4You - Eraser Factory - Mastermind Toys___248026
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Science4You - Eraser Factory

$34.99
$34.99

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Science4You - Dough Factory - Mastermind Toys___248024
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Science4You - Dough Factory

$34.99
$34.99

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Science4You Marker Factory - Mastermind Toys___246254
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Science4You Marker Factory

$29.99
$29.99

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Science4You - Candy Lollipop - Mastermind Toys___248029
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Science4You - Candy Lollipop

$34.99
$34.99

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S4Y Perfumes And Soaps - Mastermind Toys___248267
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Science4You Perfumes And Soaps

$34.99
$34.99

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Wow in the World: 100 Experiments That WOW! - Mastermind Toys___248496
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Wow in the World: 100 Experiments That WOW!

$59.99
$59.99

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Science4You - Bubble Gum - Mastermind Toys___248028
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Science4You - Bubble Gum

$34.99
$34.99

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Thames and Kosmos Crystal Growing Kit Deluxe - Mastermind Toys___123336
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Crystal Growing Kit Deluxe

$54.99
$54.99

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Science4You Slime Apocalypse - Mastermind Toys___246259
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Science4You Slime Apocalypse

$39.99
$39.99

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Everlasting Volcano - Mastermind Toys___232887
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WOW in the World Everlasting Volcano

$29.99
$29.99

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Science4You Wizard Science - Mastermind Toys___246258
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Science4You Wizard Science

$29.99
$29.99

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Tasty Labs Wizard Potion Science Kit - Mastermind Toys___230615
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Tasty Labs: Wizard Potion Science Kit

$37.99
$37.99

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