20% off select LEGO sets valid from August 14, 2025 until August 20, 2025 11:59pm EST, in-store and online. Discount applied at checkout. Excludes clearance items. No rain checks. Offer cannot be combined with any other promotions or applied to previous purchases. Mastermind Toys reserves the right to change this promotion at any time without notice. Some restrictions may apply.
20% off Real FX items valid from August 14 to August 20, 2025 11:59pm EST, in-store and online. Discount applied at checkout. Excludes clearance items. No rain checks. Offer cannot be combined with any other promotions or applied to previous purchases. Mastermind Toys reserves the right to change this promotion at any time without notice. Some restrictions may apply.
Buy one, get one 50% off all regularly priced select Science Kits — Science4You, Discovery, Dissect It — items valid fromAugust 14 to August 20, 2025 11:59pm EST, in-store and online. Discount applied at checkout. Excludes clearance items. No rain checks. Offer cannot be combined with any other promotions or applied to previous purchases. Mastermind Toys reserves the right to change this promotion at any time without notice. Some restrictions may apply.
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